Push notification database design rails jobs
Requirements: 1. Dockerize/Containerize Code 2. White Label Feature 3. Hosting 4. Pipeline (to push code to live project)
As an expanding entity, we are in need of expertise in SEO to boost our keywords ranking and visibility in 3 countries: United States, United Kingdom, and Canada. Our keywords currently rank within the top 50, and we want to push it further up. We are interested in utilizing a combination of white and grey hat SEO strategies specifically: - Keyword Optimization - Link Building - Content Marketing Ideal candidates should have a track record in achieving improved SEO ranks in these nations utilising above-mentioned techniques. We appreciate a thoughtful plan of action that respects the unique market conditions of each target country. Your input will help ensure our visibility with the right audience beckoning progress.
I'm seeking a highly skilled developer to help with the integration of cloud functions into my Flutterflow project. The successful candidate will have a strong understanding of both Flutterflow and the Firebase database system. Key tasks will include: - Integrating Firebase with Flutterflow - Ensuring user authentication processes are in place - Implementing push notifications into the system - Performing data retrieval, insertion, and updating in Firebase Prior experience working with Flutterflow and Firebase is a must. Proven project management skills and the ability to work within a given timeline will also be essential for success within this project.
I'm looking for a capable freelancer to develop an alert management system for Industria...both email and SMS notifications. The chosen freelancer should have experience in SCADA systems, IIoT, and creating alert mechanisms. Expertise in managing event-triggered alerts based on customizable criteria will be highly advantageous. Mastery in user interface design that translates complex processes into a user-friendly experience is also essential. Successfully completing this project will require a unique combination of skills in the areas of: - SCADA and IIoT Systems - Alert Systems and Notification tools - UI/UX Design This is an excellent opportunity to work with state-of-the-art technologies for IIoT and SCADA systems. If you have the necessary skills and experi...
...with mainly one brand. 2. Once you have identified the best products, import them into Dser and edit them (remove non-English language descriptions, images, or videos, shorten description by grouping them and removing irrelevant contents, place of origin, etc), Add tags, SEO-optimised content in each product description, categorise etc before importing them into Shopify. It is crucial not to push products to Shopify without first editing them on Dser. Add videos to the products for better customer engagement. 3. Import reviews and optimise SEO, as these are essential. 4. Also, do not list products with suppliers like AliExpress or Alibaba shop details and suppliers' websites, shop numbers, phone numbers, etc. Advertising for the supplier can lead customers to order...
My Google Ads account has been suspended due to a violation related to Google Shopping Merchant. I've received a notification indicating a policy violation. I need an expert to resolve this issue and reinstate my account to full functionality. my google Merchant Account was reinstated but google adwords account is still suspended i want a expert to look into that and fix the issue and reinstate the account. Key Responsibilities: - Investigate the exact cause of suspension. - Correct any policy violations. - Reinstate the Google Adwords account. Ideal Skills/Experience: - Proven expertise in Google Ads and Google Shopping. - Experience with handling account suspensions. - Knowledge of Google's policies and procedures. - Strong communication skills to liaise with Google ...
I am seeking a skilled individual for data entry into an SQL Database. This project involves: - Converting digital non-structured data into SQL format - Inputting the converted information into an SQL Database accurately The ideal freelancer will: - Have SQL Database knowledge and expertise - Show proficiency in handling non-structured data - Demonstrate attention to detail and accuracy Experience in data entry, particularly into SQL Databases, would be greatly beneficial for this role. Your responsibilities will not only include converting and entering data but also ensuring its accuracy and consistency. I expect a high degree of meticulousness and precision from you.
...warehouses, 3. Can send Order details to courier. 4. Once the order details sended to courier, fetch tracking id and put in tracking field to track the customer, Order status change as shipped. 5. Can create multiple courier Name, (Delhivery Air, Delhivery Surface, Xpressbees Surface, DTDC) 6. Multiple Tracking id can create for same orders 7. Shipping Label/Traking can be download from website 8. Notification of errors During Shipping (Pincode not service, Wallet balance is low) Currently we are planning courier integration with 1. Delhivery 2. Xpressbees We have already builded one another website for shipping, In which all orders are fetching from cs-cart and then we are
...experience to help me build a software solution. The primary goal of this system is to manage a variety of business activities, such as managing schedules, tracking project progress, and more. Key Features: - **Database Management**: The software should primarily focus on data storage, retrieval, and basic data manipulation. Database Management Functionality: - **Data Reporting and Analytics**: Developing the capability to generate detailed reports and perform basic analytics on the stored data will be crucial. Ideal Skills: - Strong experience in Codeigniter - Proficiency in database management - Understanding of data reporting and analytics - Ability to create user-friendly interfaces This project will be a great fit for you if you're looking to work on...
I'm looking for an experienced Bubble developer to help build an application with key features. Although specific features haven't been laid out, the freelancer would need to be comfortable working with user authentication, real-time messaging, and push notifications. Ideal Skills: - Deep experience in Bubble App Development - Proven expertise with real-time messaging and user authentication - Ability to create a push notification system As details about desired aesthetics are not provided, I look for a freelancer with versatility in design ranging from modern minimalism to professional elegance. Although the project brief is still being finalized, please include your portfolio, past work, and a detailed project proposal in your application. This he...
I'm seeking a skilled web developer who can update a music store. I would like to add an auction page, contract management and generator feature. I have updates to user login and music management. Please have experience with audio players and being able to play music while playing an additional mp3 audio tag at a lower volume. Being familiar with ecommerce and using paypal, and stripe for payments. See the attachment for details. Ask all of your questions in the discussion board so everyone knows the question and answer. Please do not submit a fake bid amount and completion time as that will disqualify you. We can discuss everything in the clarification board. We will communicate in chat after I select you as the winner. Thanks!
Please support us to operate and create manual for Git, Github and Heroku. We need to create pipeline, push, pull, and revert to the previous in daily task. So please support us. Architecture Local (Git) with Windows 11, VS Code > Github(Enterprise) > App on Heroku Cloud (connected with Github)
I am looking for an ...and schedule them efficiently. - Reminders and Notifications: Implement a system of reminders and notifications to keep both patients and doctors informed about their appointments. Required Skills and Experience: - Proficiency in Android app development - Experience with implementing user authentication systems - Strong knowledge of in-app booking and scheduling features - Prior experience with push notifications and reminders - Understanding of creating smooth user interfaces for easy navigation - Knowledge of secure handling of personal data in a medical context While the app will not have a built-in chat feature, ensuring secure data handling and a seamless user experience are top priorities. Please provide examples of similar projects you've worked ...
I'm seeking a programmer adept in Raspberry Pi to create a system that plays a video upon pressing a physical button. The technical specifications include: - Using a push button activating video playback - The Raspberry Pi device pulls video content from an external USB drive. Experience in handling Raspberry Pi systems and programming for hardware interaction is integral for this project. Familiarity with video playback processes would be highly advantageous.
I need a minimal flutter example app for android. The app must scan Bluetooth Ibeacons. I do not need a complete UI, simply a bu...beacons can be showed in a textbox. The monitoring of beacons mut be "Ranging" (each transmition of beacon must be received and showed) Is very important the scan continue in background. When the app is minimized or out of focus, the app must launch a foreground service (or the foregrounn service can be allways active on all the life of app) when te foreground service is running, a permanent notification must be showed (android policy to allow foreground service). The app must request all permitions required to user on start. When the app is minimized, and the foreground service is running and scanning, each transmition of beacon must be show...
It needs to be compatible with Android and Web i'll ...hosting. Our goal is to create a colorful, vibrant, yet professional and corporate Flutter app. The website goal is to be e commerce website for a clothing brand Key Features: - editable for product updations - User Authentication - Push Notifications - Database Integration Ideal Skills for the Job: - Fluent in Flutter framework - Experience in building apps compatible with Android and Web - Past projects showcasing a tasteful selection and implementation of vibrant and professional designs. - Proven experience with user authentication, push notifications, and database integration. If you think this project aligns with your skills and expertise, do not hesitate to place your bid. Let's create a b...
Need a Plugin/App to Transfer Google Sheet Data to Database via Webhook URL Description: We are looking for a skilled developer to create a custom plugin or app that seamlessly transfers data from a Google Sheet to our database whenever changes occur. The plugin/app should be able to detect any modifications in the Google Sheet and trigger the transfer process automatically. The data transfer should be facilitated through a webhook URL provided by us. Requirements: 1. Develop a plugin/app compatible with Google Sheets that can monitor changes in real-time. 2. Implement functionality to extract data from the Google Sheet and send it to a specified database via a webhook URL. 3. Ensure the plugin/app is secure, efficient, and scalable. 4. Provide clear documentation and...
I'm in need of an experienced developer to create a Google Spreadsheet plugin for me. This is somewhat of a specialized skill as it involves working within the Google Workspace developing environment. Key Requirements: * Able to push through the complexities of Google's Workspace and create a plugin which is able to export mixed data types, both numerical and textual, from the spreadsheet. * Knowledge about data conversion as that is another main feature of the plugin. * Utilize webhook API in exporting data from the spreadsheet. Ideal Expertise: * Experience in creating Google Spreadsheet plugins. * Knowledge and experience in working with APIs. * Well-versed in data exportation and conversion. Please note, more details on the webhook API integration were not provided ...
I'm looking for an experienced Bubble developer to help build an application with key features. Although specific features haven't been laid out, the freelancer would need to be comfortable working with user authentication, real-time messaging, and push notifications. Ideal Skills: - Deep experience in Bubble App Development - Proven expertise with real-time messaging and user authentication - Ability to create a push notification system As details about desired aesthetics are not provided, I look for a freelancer with versatility in design ranging from modern minimalism to professional elegance. Although the project brief is still being finalized, please include your portfolio, past work, and a detailed project proposal in your application. This he...
...item on the left in Laravel. 5. Correct CSV download functionality in Contacts, ensuring filters, headers, and special characters are handled properly in Laravel. 6. Enable clicking anywhere on the contact data table to open the view of that particular contact in Laravel. 7. Remove the display of the last date from the top of the contact view in Laravel. 8. Adjust calendar functionality to match design specifications in Laravel. 9. Ensure tasks are displayed on the task list page in Laravel. 10. Add task filter options by status on the task page in Laravel. 11. Change the title on the quote page from "Invoice" to "Add Quote" in Laravel. 12. Fix the functionality of discounts on the quote creation page in Laravel. 13. Resolve date picker issues on the edit job ...
I need a skilled Ruby on Rails expert for a project I'm working on. I need someone who understands the Ruby on Rails framework inside out and can work on our project efficiently. The specific tasks may include: Please check the document before applying the jobs Thank you
I'm seeking an expert in .NET framework for a project that involves setting up a multi-tenant database. My preference is to have a separate database for each tenant, with the databases themselves being simple and containing only a few tables. Key Responsibilities: - Develop a multi-tenant functionality in .NET entity framework - Implement a separate database for each tenant - Design a simple database with few tables Ideal Skills & Experience: - Extensive experience in .NET Framework - Proven expertise in multi-tenant database setup - Proficiency in designing simple databases
I have a logo I need to transform from its current JPEG format into a vectorized image, this will include substantial alterations to the text elements. The changes will include: - Changing the text 'Cooper River' to 'Schmidtys' - Altering 'Restaurant' to 'Bar and Grill' - Adding 'OFF THE RAILS' on top It is very important that you have solid experience with graphic design, logo design, and a good grasp of vector graphics. Proficiency in using design software, like Adobe Illustrator, is also crucial. A strong understanding of choosing and tailoring fonts for visual impact and readability will also be useful for this project. This work will not entail any changes to the non-text elements of the logo, so please f...
...on potential matches. This feature is central to the user experience in dating apps like Bumble. Chatting Functionality: Enable users to communicate with their matches through messaging features. Implement real-time messaging using Firebase Realtime Database or other similar services. Push Notifications: Implement push notifications to alert users about new matches, messages, or other relevant activities within the app. Settings and Preferences: Allow users to customize their app settings and preferences, such as age range, distance, notification preferences, etc. Reporting and Blocking: Implement features for users to report or block other users for inappropriate behavior or harassment. Payment Integration: If you plan to offer premium features or subscripti...
I'm looking for a proficient mobile app developer to build an Android application for food delivery. The primary focus of thi...and straightforward ordering processes. - Real-time order tracking: It is crucial for users to be able to track the progress of their orders in real-time. Experience designing and implementing effective order tracking systems will be highly advantageous. Please note, while not explicitly mentioned in the key functionalities, the ability to integrate future upgrades such as in-app purchases and push notifications will be looked upon favorably. registration with phone number is needed the ideal freelancer for this project will be someone with extensive experience and a keen focus on crafting intuitive user experiences, particularly within the food d...
...categories. This approach allows for a more coherent and systematic pattern for data analysis and representation. The ideal professional for this task should possess: - Proficiency in web scrapping - Expertise in Python or other relevant programming language - Experience with Google Sheets and database creation - High attention to detail - Demonstrable ability to classify and categorize data. The goal of this project is to track changes over time, based on the data scrapped. This requires a design that will facilitate easy updates and quick overview of changes. Hence, knowledge and experience in data visualization will be an added advantage. I've added a few screenshots of examples of the data we are looking to capture on a bi-weekly or monthly basis. The tool ...
I'm in need of an experienced Android devel...improvements, bug fixes, and the addition of new features. Key responsibilities include: - Enhancing the app's overall user experience through UI/UX improvements. - Addressing any existing bugs and issues in the application. - Implementing new features, primarily push notifications. Given the extensive nature of these changes, I'm looking for a professional with a proven record in Android app development. You should have experience with UI/UX, bug fixing, and adding new features in Android applications. Your expertise in push notifications is particularly important for this project. Previous work on apps targeting the general public is a plus. Looking forward to collaborating with a skilled developer who can b...
I'm looking for a mobile app developer who can create a hyb...allotment app, lifestyle, or something else. Open to discussing ideas with you. - Ideal skills and experience: - Proficient in cross-platform mobile app development. - Excellent programming skills for both iOS and Android. - Innovative and creative in ideating app concepts - Previous experience with similar projects or a strong portfolio of hybrid mobile apps and push notification systems will be highly regarded. - A keen eye for design and user experience will also be appreciated, as we want the app to be not only functional but also visually appealing. If you have the skills and experience to deliver a high-quality, user-friendly hybrid mobile app with some previously developed apps (portfolio...
I'm seeking an experienced app creator to develop an Android application focused on vehicle rentals. Key Features: - Intuitive and user-friendly interface for easy browsing and booking of available vehicles - Secure payment gateway integration for seamless transactions - Geolocation feature to locate rental points - Push notifications for updates, offers, and booking confirmations The app is primarily focused on cars. Prior experience in developing rental apps and robust knowledge of Android app development is preferred. A keen eye for user experience and a knack for creating visually appealing interfaces is also very important. Looking forward to your proposals.
...platforms. Key Requirements: - Aesthetic: The design should be simple and clean. It should have an easy-to-navigate user interface and a straightforward booking process. - Features: The core feature of this app is live tracking. It should also include: * An efficient in-app payment system to allow for seamless transactions. * A robust driver and rider rating system to ensure trust and safety within the community. * Effective push notifications to keep riders updated about their rides. Desired Skills: - Extensive experience in mobile app development, particularly in iOS and Android platforms - Proven track record in developing similar taxi/transportation apps - Strong knowledge in integrating payment gateways, generating push notifications and GPS t...
I'm looking for a proficient Ruby on Rails developer for an online marketplace Ideal Skills: * Strong experience in Ruby on Rails * Prior experience with online marketplace platforms * Knowledge of API integrations (MAP TRANSLATOR PAYMENTS OTP) Please ensure you have these skills and experience before placing a bid, as it will be a key determinant in my selection process. I'm looking forward to working with a professional who can help enhance my platform's functionalities.
I am looking for a specialist to create an interactive UI in React Js that provides a seamless user experience. This project will require: - The creation of at least two UI tes...create an interactive UI in React Js that provides a seamless user experience. This project will require: - The creation of at least two UI test cases, with a clear emphasis on user interaction tests. - Setting up and integrating Routing and Guard Components for authorization. - Developing a backend in Spring Boot. - Saving credentials in a MySQL database. Ideal candidates should have solid experience with React Js, Spring Boot, and MySQL database. Proficiency in creating user interaction tests is also a must. Once completed please provide a GitHub link for the project in .docx file with scree...
As the client for this project, I'm seeking a skilled React Native developer to construct a cross-platform application for both iOS and Android. Key Requirements: - Skillful in React Native development that targets both iOS and Android platforms. - Preference will be given to those who showcase an understanding of minimalistic design. The app needs to be visually appealing yet simple and uncluttered. - The app will require specific features such as Push Notifications and Geolocation. Proficiency in integrating these functionalities is essential. Ideal candidates will have experience in similar projects and show a capacity to deliver on the important aspects of this job. They must communicate well and meet deadlines consistently. Please, provide examples of previous w...
I'm in need of a sk... - Homepage overhaul: I've a specific layout in mind that I want to implement. No new text or images needed, just tweaking the presentation to make it more engaging and user-friendly. - Improvements to the Google ads landing page: Similar to the homepage, I'd like to edit the layout and presentation. - Notification bars & cookies: I need to enable cookies for data collection, optimize notification bars, and ensure they're compliant with privacy laws. Skills required: - Proven web design experience, particularly with landing pages. - Strong understanding of SEO to optimize changes. - Knowledge of cookies enabling and associated privacy laws. - Experience integrating crypto wallets as payment options. If you meet these ...
My current server setup is causing slow response times for my web application and database system. This project involves optimizing the server settings to enhance the performance of both the web and database applications. Ideal Skills and Experience: - Proven experience in server performance optimization - Expertise in managing servers running web applications and database systems - Familiarity with Laravel, as the web application is built using this technology - Excellent understanding of server-side technologies and configurations Key responsibilities: - Diagnose the current server setup to identify performance bottlenecks - Implement necessary changes to optimize the server settings - Regularly monitor and fine-tune the server to maintain high performance - Provi...
...with major social platforms, enhancing its social nature. - Push Notifications: A robust system for update alerts and reminders needs to be implemented, enhancing user engagement. - In-app Purchase: A system to facilitate in-app purchases should be built, driving revenue growth. - Live Streaming & Video Calling: Incorporation of real-time streaming and face-to-face communication capabilities are crucial for the app's entertainment component. - Private Room: An exclusive space in-app for private chats or activities is required. Candidates with relevant experience in 'entertainment app development' and a solid grasp of 'Android SDK', 'social media APIs' and 'streaming technologies' are preferred. Exceptional skills in 'UI/UX ...
I am in need of a seasoned data entry professional who can attentively transcribe information from various online databases into Google Sheets. The role is strictly manual data entry. Skills and Experience: - Proficient with Google Sheets and similar spreadsheet management tools. - Past experience with database interaction, particularly online databases. - Must have a keen eye for detail to ensure accurate data transcription. - Excellent time management skills are essential as deadlines are strict. Although this position emphasizes manual data entry skills, experience in data cleaning and validation pave the path for optimal efficiency. The successful candidate must provide proof of prior similar projects. Your ability to maintain high standards of accuracy and confidentiality ...
I'm seeking an experienced developer to assist in optimizing database speed for my Node.js website. Key tasks: - Conduct initial review of current setup, hosted on a Hostinger VPS with a configuration of 16GB - Advise and implement changes to improve response time, usining knowledge of different hosting platforms such as Amazon Web Services, Google Cloud Platform or Microsoft Azure. - Familiarity with MySQL as a database management system is a must. Ideal candidate would possess keen problem-solving abilities, strong knowledge in database management and previous experience with Hostinger VPS. Experience is optimizing Node.js websites is advantageous. Please provide examples of similar assignments in your proposal.
I'm urgently seeking experienced assistance with Juro document implementation. Key tasks include: - Contract generation - Document automation - Electronic signatures The specific help I require entails all aspects of Juro document handling -- document creation, template customiza...document handling -- document creation, template customization, and careful editing/review. The ideal freelancer would be someone who has in-depth knowledge and hands-on experience of Juro's formatting and structures. Strong proficiency in contract law and document automation is greatly valued. Because of the urgent nature of this project, I'd prefer a freelancer who can start immediately and push for quick, but quality, completion. Efficiency, timeliness, and attention to detail will...
...AliExpress, using Dser Optimiser to sort through the items. Be sure to select only those products with high-quality standards, top ratings, and good reviews (4.5 and above), and with the lowest price and the shortest delivery time frame to the UK (4 to 7 days). 2. Once you have identified the best products, import them into Dser and edit them before importing them into Shopify. It is crucial not to push products to Shopify without first editing them on Dser, including the SEO-optimised content in each product description. Add videos to the products for better customer engagement. Additionally, balance the different brands and avoid populating a category with mainly one brand. 3. Import reviews and optimise SEO, as these are essential. 4. Avoid listing products with non-English...
I'm looking to create an extension that adds live broadcasting capa...specifically designed for my PHP-based social networking site. In addition to these features, the live broadcasting system must function seamlessly with the existing structure of my PHP social networking site: 1. User Authentication for Broadcasting: The broadcasting system should allow user authentication to secure the broadcaster's channel. 2. Push Notifications for Live Streams: When a host initiates a live broadcast, a push notification should be delivered to followers or subscribers. Ideal freelancers for this project have a solid grasp on PHP, WEBRTC broadcasting systems, and social networking platform integration. Familiarity with Github and social network site development will ...
I'm looking for a skilled professional to create a robust AI-driven marketing program. This project aims to optimize the marketing database, generate sales, and increase our revenue. Key requirements include: - Building an AI system for data verification to ensure high-quality, accurate information. This includes email verification, phone number verification, and address verification. - Implementing an AI program to sort and segment lists for each campaign. It should consider the following criteria: - Demographic data: Utilizing data such as age, location, gender, and income level. - Customer behavior data: Tracking and understanding customer interactions with the business, such as preferences, buying habits, and engagement. - Purchase history data: Analyzing past purcha...
Seeking a standout designer to spearhead the creation of a comprehensive brand identity that authentically embodies our company's ethos. Our brand thrives on creativity and innovation, and we're on the lookout for a visionary who can translate these values into compelling visuals and messaging. Key Responsibilities: Visual Brand Design: Craft an irresistible visual identity that captures the essence of our innovative and creative spirit. Voice Tone: Establish a distinctive tone of voice that resonates with our brand personality, ensuring consistency across all communication channels. Brand Values & Principles: Infuse our core principles and values into every aspect of the brand identity, reinforcing our commitment to authenticity and integrity. User Experience: Cu...
My WordPress website is currently displaying "Error establishing a database connection" and I can't access the admin dashboard. I need an experienced freelancer with deep expertise in WordPress troubleshooting and database issues resolution. Tasks will include: - Diagnosing the cause of the database connection issue - Fixing the problem to get the website back online - Ensuring all website features are functioning as they should post-fix I'm using a Cpanel on Godaddy for hosting. So, familiarity with Cpanel and Godaddy is a requirement for this task. Also, I'd prefer someone with immediate availability as this is a high-priority issue. Skills required: - Advanced WordPress proficiency - Strong understanding of databases - Experience with ...
I need you to take the list of 250 companies on a google sheet and search each company online and confirm there website, then search for eaxh comoany and add the data to a google slide. Theee should be 3 cell names on the sheet Company name Website Companies house link
...security test come with a special SMTP header. The add-in contacts us servers to record the action of the user in our admin console. Then, the emails gets deleted from the user's inbox. If not: the email could be a legit email, ould be spam or a real phish. The email is sent directly from the user's email client yo our admin consol. Then, the emails gets deleted from the user's inbox. - User notification: A pop-up window should appear to confirm the report. Additional Features: - An email template should open for the user to provide additional details. This can help in further analyzing the threat and improve our phishing prevention systems. - The add-in must be published and available in the Office Store so that Office administrators can easily install it. - Th...
...different areas. - Notification Alerts: Users should receive timely notifications about upcoming outages and be able to customize these alerts to their locations. - Monitoring Tool: The website should have a monitoring tool that generates reports on power consumption in different areas. - Feedback Platform: Users should be able to provide feedback and report issues related to the power outages. - Energy Saving Tips: Provide users with recommendations and tips on how to save electricity. - ZESA Tokens Purchase: Provide users a convenient platform to buy ZESA tokens online using mobile money. Ideal skills for this project include: - Proficiency in programming and web development, especially in creating custom-built websites. - Experience in integrating user registration, notifi...
...different areas. - Notification Alerts: Users should receive timely notifications about upcoming outages and be able to customize these alerts to their locations. - Monitoring Tool: The website should have a monitoring tool that generates reports on power consumption in different areas. - Feedback Platform: Users should be able to provide feedback and report issues related to the power outages. - Energy Saving Tips: Provide users with recommendations and tips on how to save electricity. - ZESA Tokens Purchase: Provide users a convenient platform to buy ZESA tokens online using mobile money. Ideal skills for this project include: - Proficiency in programming and web development, especially in creating custom-built websites. - Experience in integrating user registration, notifi...
