Gsm cell phone ping jobs

...locks , we try through api to create temporary passwords like it can be done through the app without luck. Also the device permision is on read. Can it change? We have tried both the Smart Home Basic and the Smart Lock open service getting error codes such #illegal { "name": "test_id3", "password": "123456789", "effective_time": 1715372160, "invalid_time": 1718050560, "password_type": "ticket", "phone": "1234", "type": 0, "time_zone": "Europe/Athens", "ticket_id": "1234", "schedule_list": [ { "effective_time": 450, "invalid_time": 542, "working_day": 111 } ], "relate_dev_list": &quo...

I'm looking for an experienced developer who can integrate SAP Business One and 3CX, specifically, for one-way contact synchronization from SAP to 3CX. The synchronization process should ensure that the contact details - Name, Organisation, and Phone number, in SAP are updated appropriately in 3CX. Here's what I expect: - One-way synchronization of contacts' Name, Organisation, and Phone Number from SAP to 3CX. - Ensure data integrity and minimal synchronization latency. - Test to confirm that updates made in SAP are reflected in 3CX effectively. Ideal Skills: - Expertise in SAP Business One - Experience with 3CX systems - Strong understanding of Data Synchronization methods and protocols - Attention to detail, ensuring no loss of data. If you have these...

I'm looking for a freelancer to generate leads & pitch our services Key Responsibilities: - Lead Generation: You'll be responsible for collecting contact information like phone numbers, email addresses, demographic data for restaurants & reaching out to them to sell our product - For each successful sale you will receive Rs. 2500. For eg if you can convert 20 Restaurants your income will be 20 x 2500 = Rs 50,000. Ideal Skills: - Previous experience in lead generation and cold calling, especially in the restaurant industry, is highly preferred. This is an ongoing project, and your success in generating valuable leads will be crucial for the expansion of our business.

...multiple files. There should be a clear indication of the allowed file types and a size limit. The uploaded files should be go to a Google Drive where a file handling automation script can be used. - Personal Details: The form should have fields for essential personal details. Although the specifics were not provided earlier, it's safe to assume this would include common fields like name, email, phone number, etc. - Payment Gateway Integration: The form should support payment via Paypal, bank transfer, and credit card. Ensure the payment process is smooth and well-integrated. - The form should first let the user upload the file without requiring a payment initially. After uploading is completed, the user will be shown a number of options for documents review service options ...

I'm looking for a skilled developer to build me a web scraper for the Kumon UK website. The scraping needs to be able to: - Extract the names of tutors - Retrieve their addresses - Fetch contact information like phone numbers or email addresses The scraping process should be set to run just once, and must be accurate and reliable. The data should be presented in a structured format, ideally a XLSX file. Please provide an overview of your experience with web scraping and any similar projects you've worked on.

I'm seeking an expert in Facebook advertising who can help me generate leads targeting the older demographic age group (55+). Key Requirements: - The main objective of the campaign is to generate leads. It is essential to have experience in lead generation strategies,...Requirements: - The main objective of the campaign is to generate leads. It is essential to have experience in lead generation strategies, specifically on Facebook. - The target audience is seniors (55+) so the ads should be tailored to this demographic. Being able to effectively engage an older audience online is crucial. - We're looking for a variety of leads through the campaign - including email leads, phone leads and form submissions. The ideal candidate should be able to design a multi-faceted lead ...

...representative, such as line of business, key executives' names, etc. • Take pictures of the subject company and its vicinity, as per Confirmis’ standard operating guidelines. • Provide observation about the company to gauge activeness, e.g., staff working at the premise, loading/unloading of goods, etc. REQUIREMENTS: • Must be living in (or nearby) Av. Mariscal Nieto, Lima, Peru. • Has a camera or phone/tablet of quality with a camera, internet access • Must be available during business hours (9 AM - 4 PM) on working days Please see the attached file for the site visit guidelines. You are only required to deliver the pictures, video & observations and are not expected to put together a report like the Sample Report. Note: Milestone will...

...achievements. - User System: I need a system where users can buy and sell items and characters through fixed price listings. There's no need for an auction-style bidding system or direct messaging between buyers and sellers. - Server Status Section: This part of the website should provide information on the current online player count, server uptime/downtime history, and real-time server latency/ping display. It should also clearly indicate if the server is currently online or offline. - How to connect section. - Donating system, website will have own currency which you can earn from donating system with real money. with that currency you can buy items/equip into game. Additional Features: - Forum: A community forum where players can discuss the game, share tips and strate...

...is Employment Background Screening. (For more information about our company profile, please visit the following link: ) Currently, we are seeking a local freelancer in Ho Chi Minh, Vietnam to assist us in conducting some services related to background screening services per project. If this is feasible, we would require the following services from you: a. Making phone calls or conducting visits around the Ho Chi Minh area is usually what we do to verify education and employment checks with companies. b. Please provide us with information on the verification results, including proofs. If you are interested in taking on this task, please let us know your availability and your estimated service cost per check, so that we can further discuss this. Your assistance

I'm in need of a skilled service professional to assist with my robotic palletising cell. Key Details: - Purpose and Issue: My robotic palletising cell is used primarily for packaging products. Recently, the system has been experiencing a range of issues, including error messages on the control panel, failing to pick with vacuum, reduced speed of operations and more. I need someone who can troubleshoot and diagnose these issues effectively, addressing them thoroughly. - Expected Service: I'm looking for a comprehensive maintenance service that goes beyond a routine check-up. You should be able to identify and resolve the root cause of these multiple issues, ensuring the system operates smoothly, efficiently and correctly again. Ideal Skills and Experience: - Pro...

I urgently need a proficient cold caller with a solid record in B2B sales. Your responsibility will be reaching out to numerous businesses in the play schools sector. You should be comfortable in calling people in US using your contact number. Key Requirements: - Generate leads solely from businesses, not individuals - Aim for direct product sales via phone calls - Channel your efforts to businesses within the play schools sector Ideal Skills and Experience: - Exceptional communication skills - Proven track record in cold calling and telesales - Experience with business-to-business (B2B) sales - Familiarity with the play schools sector will be a plus Your application will be highly appreciated if you have a knack for converting leads into customers. Looking forward to a fa...

I am looking for a seasoned developer to unite my ASP.NET website with the Phone Pe Payment Gateway. This integration should provide a seamless checkout process, secure payment confirmation, and efficient refund process – all in an effort to facilitate robust accepting of payments. Ideal skills include: - Extensive experience with ASP.NET - Familiarity with Phone Pe Payment Gateway Integration - Capable of ensuring secure, reliable payment confirmations - Experience with streamlining checkout processes - Knowledge of facilitating quick, effortless refund processes. The completion of this project will provide our customers with a more fluid, user-friendly experience, thereby driving conversions and satisfaction. The perfect candidate understands the ins-and-outs of te...

I'm in need of an experienced Wordpress developer to create a custom website for my business. The project requires implementing a set of specific features, wordpress site requirements- landing page, blog page, conatct us,about us , policy and terms page. user account registration ( email,social and phone) / verification using sms otp. user account to manage appointments and edit acount information. admin login page design- with url modification ( should not be must me appointment plugin cookies plugin yohost plugin deployment upi plugin ( By KnitPay ) zoom intigration sms intigration for otp/and appointment reminders whatsaap intigration for chat social media handels intigration. zoho mail email intigrations for notification notification = paymnet, order

I'm seeking a skilled app developer to design a ...Android, and Web. Key Features: - User profile creation: Users should be able to create and manage their personal profiles. - News feed: The app must support a dynamic news feed that displays content from various users. - Messaging: Allow private conversations between users. Additionally, users should be able to authenticate their accounts using either their email and password combo or via phone number verification. Ideal Skills: Proven experience in app development across different platforms (iOS, Android, Web), a keen understanding of various user authentication methods, and previous experience in developing social media-like apps or implementing their key features. Sufficient knowledge in user privacy and security is ...

I'm in need of a talented Hubspot CRM specialist. My aim is to flawlessly integrate the contacts and all necessary details from my landing page into Hubspot. Primary same tasks include but aren't limited to: - Setting up the integration so that all the basic information such as name, email, and phone number from a landing page's visitor will be effectively and accurately transferred into Hubspot. - In addition, they need to be able to configure the system for capturing custom information, specific to my business industry. - Expertise should be demonstrated in the implementation of Hubspot's appointment scheduling and commission calculation facets. The ideal freelancer should have demonstrable experience in Hubspot CRM integration and should be detail-oriente...

Create a relational database for the following data in a single tables with parts store. You may use alphanumeric to represent store and use surrogate key as primary key. Bring a hard copy in class and answer two quires in class. (points Project creation 20 + two query 20) 1. Vendor 1: Low Hardware, 1200 Harding st, Pine Bluff, AR 71602, Phone 870-535-1000 Supplies screw Size Steel Size Unit Price QTY Stainless Steel QTY Unit Price 6-32 Yes ½” .02 300 Yes 100 .04 6-12 Yes 3/4” .03 300 Yes 200 .06 6-32 Yes 1” .04 400 Yes 200 .08 6-32 Yes 1 ¼” .05 300 No 0 .10 6-32 Yes 1 ½” .06 500 Yes 20 .12 8-32 Yes ½” .04 300 Yes 200 .08 8-32 Yes ½” .05 400 Yes 100 .10 8-32 Yes ¾” ...

...functionalities or features to implement. It's crucial for the developer to take initiative, as the exact project needs were not specified. Previous experience in creating complex projects from scratch is a bonus. Here are details. 1. Account Management - **1.1 Registration** - Users must register using their school email address. - Registration form includes fields for Name, Email Address, and Phone Number. - Email verification is required to activate the account. - **1.2 Login** - Users must log in using their registered school email address. - The system should provide password recovery options. #### 2. User Dashboard - **2.1 Access** - Upon successful login, users are directed to their dashboard. - **2.2 Features** - A search box to look up universit...

I'm urgently in need of a contact form on my Divi website. I need the form to have fields for Name, Email, Phone number, and Message. The submissions should be directed to my email address. Key Requirements: - Set up a functional contact form on a Divi website - Include fields for Name, Email, Phone number, and Message Please ensure that you have experience working with Divi and setting up contact forms. This is an urgent task, so I will be looking to have it completed as soon as possible.

I need a list of 5,000 unique contacts in the United States of Businesses that meet the following criteria: 1. Service Based (Consulting, Coaching, Accounting, Legal, Event Management, Engineering, Financial Services, Insurance) 2. Less than 5 years old 2. Less than 5 employees The file should contain: 1. Company Name 2. Industry 3. First Name 4. Last Name 5. Title 6. Phone Number 7. Email Address 8. City 9. State/Province

I'm in need of a meticulous data verification expert who can help me with ensuring accuracy, updating outdated information, and removing duplicates from a large dataset. Key responsibilities: - Verifying a dataset that includes Email addresses, Phone numbers, Postal addresses, and Job title. - Ensuring all data entries are up-to-date and accurate. - Removing any duplicates found within the dataset. The dataset consists of more than 5000 entries, so I'm looking for a professional who is not only detail-oriented but also able to handle a large volume of data efficiently. Ideal Skills and Experience: - Extensive experience in data verification specifically salesforce. - Proficient in using data verification tools and software. - Strong attention to detail. - Time-manage...

Someone to deliver me a phone to my physically meeting face to face

I need to create a banner for my construction company's LinkedIn account according to size requirements. The company logo is attached, which needs to look nice with a creative banner banner. The Banner needs to have the following context: At Trendfix we pride ourselves on the following values Customer solutions Quality craftsmanship Timely delivery Exceptional customer service Get in ...construction company's LinkedIn account according to size requirements. The company logo is attached, which needs to look nice with a creative banner banner. The Banner needs to have the following context: At Trendfix we pride ourselves on the following values Customer solutions Quality craftsmanship Timely delivery Exceptional customer service Get in touch for your enquiries email: T...

I require a serious freelancer who can reach out to aged leads who might be interested in online courses. Although I skipped the question on target age group, expertise in reaching a variety of age groups would be beneficial. Ideal Skills: * Understanding of the online courses market * Experience in lead generation * Proficient in communication and persuasion ...question about what successful freelancers should include in their application, it would be preferable if you provide: * Past work related to lead generation * Your experience in the field * A detailed project proposal on how you plan to execute the task Preferred Contact Method: Even though I've skipped the question on preferred contact methods, having proficiency in: * Email communication * Phone calling * Course ...

I'm looking for a skilled developer to integrate a database for our congregation into my Squarespace website. I manage a Hindu temple. Requirements: - The primary purpose of this database will be to store our congregation's contact information. This includes details such as name, email address, and phone number. - The integration should be seamless, with the database easily accessible and manageable through the Squarespace platform (maybe, more like contact information collected from our website). - Prior experience with Squarespace and developing client databases is a huge plus. - We should be able to easily send an email to targeted groups within our database. Please provide your portfolio or examples of similar projects you have completed.

...offered by Uber and Lyft. Allow users to subscribe to your blog and receive notifications for new posts. Encourage user engagement through comments and sharing options. E-commerce for Driver Accessories: Integrate a robust e-commerce platform, such as WooCommerce or Shopify, to create an online store for driver accessories. Offer a range of products that can enhance the driving experience, such as phone mounts, dashcams, Bluetooth devices, and other relevant items. Implement secure payment gateways, inventory management, shipping options, and promotional tools to create a seamless and attractive shopping experience for your customers. Modern and Responsive Design: Ensure that the website has a modern, clean, and intuitive design that appeals to your target audience. Use attract...

Hi Narola Infotech, I noticed your profile and would like to offer you my project. We can discuss any details over chat.

I have a .shopify store, I'm seeking an experienced web developer to incorporate a self-service price and variant availability feature by updating barcode scanner using phone camera in the search bare.

I have a .shopify store, I'm seeking an experienced web developer to incorporate a self-service price and variant availability feature by updating barcode scanner using phone camera in the search bare.

...ready for the site, so your help in creating relevant and engaging content will be crucial. The primary goal of the website will be to gather the contact details of potential clients. For this reason, the site must be optimized for easy lead capturing. Users should be encouraged to provide both email addresses and phone numbers. Key requirements: - Build a simple, user-friendly single page website - Implement a lead collection mechanism that captures both email addresses and phone numbers - Create engaging content to be used on the site Ideal skills and experience for this job include: - Proficiency in web development, particularly in building effective, lead-collecting single page sites - Experience in content creation and an understanding of how to tailor content ...

...as a platform to generate leads for my business. - It should have a well-designed contact form which visitors can use to reach out. Additionally, I would like to offer multiple other contact options including phone number, email, and WhatsApp. - The forms must be designed to capture detailed information, including name, email, phone number, and postcode. Ideal Skills: - Proficiency in web development, particularly in building websites focused on lead generation. - Experience in designing user-friendly and efficient contact forms. - Knowledge of integrating multiple contact options (phone number, email, WhatsApp) seamlessly into the website. - Ability to ensure data capture is secure and compliant with data protection regulations. If you have the expertise and expe...

We have a task in WordPress that requires enabling users to: -Create posts, upload photos, and share videos. -Publish advertisements in categories such as 'For Sale', 'Wanted', 'Exchange', etc. -Add events to the events calendar. -Implement a partnership tab to showcase partner companies on a map, including their contact details such as address, phone number, website, etc. Everything is already uploaded to the website; however, it needs to be integrated to ensure functionality. This includes providing users with a personalized menu where they can easily add the aforementioned items. Additionally, we need to create the simplest possible Android and Mac app to allow users the same functionality."

Someone to deliver me a phone to my physically meeting face to face

I'm seeking a talented video creator to help me with a brand awareness campaign. The video should strike the perfect balance between animation and live-action, ensuring a dynamic and engaging piece. Ideal Skills: - Proficiency in both anim...and tells them about our in-person and on-call services. We operate a comprehensive Travel Agency located in Surrey, BC, focusing on Flight arrangements, Hotel bookings, sightseeing tours, Travel Insurance, All-inclusive getaways, and Tailored Travel Packages worldwide. You can access all these services by contacting us via phone or visiting our office in person. This project is a wonderful opportunity for a creative and skilled freelancer to contribute to a meaningful campaign.

...discussions on fares, driver/rider safety, and other relevant issues. Blog: Include a blog section where you can publish articles related to the ride-sharing industry, including tips for drivers and riders, updates on new features from Uber and Lyft, and insights into the latest trends in the industry. E-commerce: Integrate an e-commerce platform into the website to sell driver accessories such as phone mounts, dashcams, and other items that may be useful for drivers. Please note that you may need to use appropriate APIs and integrate them into your WordPress website to fetch real-time fare estimates from Uber and Lyft. Additionally, consider using a suitable forum plugin for WordPress to create the discussion platform and a popular e-commerce solution like WooCommerce for the ...

If you would like to be paid outside the freelancer system, please do not respond to this posting. If you are outside the United States please save your time, and do not respond. If you do not want to speak on the phone before the project is awarded, same thing please save you time. I require a qualified Structural Engineer or an Architect in California. The scope of work encompasses: - California specific calculations - Stamping plans and calculations - NO Electrical or Plumbing We have plans for a relatively simple outdoor Awning/Canopy. The canopy is on an asphalt surface with concrete footings without any electrical or plumbing. We need the calculations done by a California licensed Engineer or Architect and has the ability to provide an engineering stamp on the plans an...

...discussions on fares, driver/rider safety, and other relevant issues. Blog: Include a blog section where you can publish articles related to the ride-sharing industry, including tips for drivers and riders, updates on new features from Uber and Lyft, and insights into the latest trends in the industry. E-commerce: Integrate an e-commerce platform into the website to sell driver accessories such as phone mounts, dashcams, and other items that may be useful for drivers. Please note that you may need to use appropriate APIs and integrate them into your WordPress website to fetch real-time fare estimates from Uber and Lyft. Additionally, consider using a suitable forum plugin for WordPress to create the discussion platform and a popular e-commerce solution like WooCommerce for the ...

I am seeking skillful and innovative developers to create a high-quality digital product management and marketing platform. I have a digital product that I want to market and sell, then allow purchasers to see othe rproduxts they can also add to that purchase then once payment is processed they login and can now access their products I need an all in one platform that wi...platform. I have a digital product that I want to market and sell, then allow purchasers to see othe rproduxts they can also add to that purchase then once payment is processed they login and can now access their products I need an all in one platform that will have the sales videos and login and payment processing, I think there might be companies out there that provide these solutions. Please ping me to dis...

...records to enable us to obtain a clear deduped prospecting list to be uploaded into a CRM like HubSpot. The records will need to be deduped using a specific criteria to ensure that all unique information is kept for each account. The list is currently in Excel/CSV file format. Each contact record encapsulates around 10 key fields: Customer type and association, Store Name, Contact Name, Email, Phone, Mobile, Email, Address, Job Title and notes. Ideal Skills and Experience: - Proficiency in Excel and other spreadsheet tools - Experience with data cleansing and deduplication - Attention to detail and accuracy - Experience with handling sensitive data securely Tasks Involved: - Merging duplicate contacts (based on a specific criteria which I will provide - manual deduplication ma...

...deadline video: Client page: If we enter email or a phone that already exists it show immediately the number of CRM and the lead us to the CRM number CRMxxx We have many Tasks by numbers: T1 …….. To T35 For each task we can set up date, hour and the way to be done, in main page and by email we will receive alert for task that need to be done with number of task, number of CRM (client number) and the way that need to be done (W, Emai, SMS, Tel, Phone call, …). When we set up the task we can see it as the task is SET UP Some of the task must be done by email by SMS by WhatsApp by telegram by Viber and the phone call, when we do it for example by email with tick it, and it's recorded with a date and hour, when we receive receipt

...discussions on fares, driver/rider safety, and other relevant issues. Blog: Include a blog section where you can publish articles related to the ride-sharing industry, including tips for drivers and riders, updates on new features from Uber and Lyft, and insights into the latest trends in the industry. E-commerce: Integrate an e-commerce platform into the website to sell driver accessories such as phone mounts, dashcams, and other items that may be useful for drivers. Please note that you may need to use appropriate APIs and integrate them into your WordPress website to fetch real-time fare estimates from Uber and Lyft. Additionally, consider using a suitable forum plugin for WordPress to create the discussion platform and a popular e-commerce solution like WooCommerce for the ...

...your application: - Please give a detailed project proposal outlining per word rate for the specific pair, for: -----General translation -----Technical translation ------Rush orders if there is a price difference and turn around time - Highlight your past work, particularly in legal and technical areas. - Showcase your expertise in the languages stated above. - Be able to provide virtual remote /phone interpreting for the different pairs including technical interpretations This project calls for translators who can accurately convey the meaning of the source text, keeping in mind cultural associations and nuances. ****no machine translations nor google or any other non human translations.*** ****Must be able to provide resumes of all translators that will be part of this on goi...

We are a fashion & lifestyle PR agency. Currently, we are on the hunt for a committed person with positive and welcoming personality? Join our team in Appointment Scheduling & Sale! Your main responsibilities will include scheduling appointments via phone, and ensuring a smooth customer experience. Requirements 1. sharp instinct for suitable brands (examples attached) 2. clear communication and listing skills to close deals 3. energetic and inspiring personality This is a straightforward and well-paid job. We provide a free calling line. You can earn above-average, at around $2,000 - $5,000. I look forward to speaking with you soon. Best regards Alex

I'm seeking a skilled website optimization specialist to improve my website, KEEP IN MIND THAT THE IDEA IS TO IMPROVE THE MOBILE WEBSITE (NOT THE DESK) Our primary goal is to optimize the site's core vitals in 5 out of 6 Core Vitals test. Key Requirements: - Page load speed optimization - Mobile responsiveness enhancement - Core Vitals performance improvement The ideal candidate for this project will have: - Prior experience in website optimization - A strong understanding of Core Web Vitals metrics - Proven ability to enhance mobile responsiveness - Experience in page load speed optimization Your role will be to thoroughly analyze the website and provide a detailed optimization plan. You should then implement the necessary changes to meet the core

...will be on demonstrating online purchases through Stripe as the payment platform. Ideal Freelancer: - Experience in creating similar videos or tutorials showcasing mobile applications or payment platforms. - Proficiency in video editing and screen recording software. - Excellent attention to detail to ensure the video looks and feels realistic. Time on the phone will be 9:36 The 3 first notifications the user receive on his phone will be : You received a payment of 504€ from odile-deray@ ! You received a payment of 99€ from jeanpaul-martoni@ ! You received a payment of 504€ from sergekaramazov@ ! And then will appear on the iphone, the notifications that you can see in attachment The animation must look like this :

I am in need of a professional to assist me in penning a complaint letter to a company based in Japan. The chief grievance being poor customer service enlightened during an over-the-phone interaction, where the representative lacked essential knowledge about the product/service. Crucial expertise and skills required: - Professional level letter drafting and editing. - Knowledge and understanding of customer service standards in Japan. - Proficiency in conveying dissatisfaction professionally and constructively in written communication. - Previous experience in handling complaints or customer service related issues. The ultimate goal of this project is to achieve a satisfactory answer or some improvement in the customer service area.l from the company for their substandard ...

...service operations. Key Responsibilities: - Handling order tracking and fulfillment - Managing returns and exchanges - Answering customer inquiries - Responding to live chat - Making phone calls when necessary - Reaching out to customers for reviews - Reviewing and auditing invoices from the optometry lab and fulfillment center - Responding to social media messages and comments - Assisting in signing up new affiliates - Conducting influencer outreach Skills and Experience Required: - At least 5 years of experience in customer service, preferably in an e-commerce setting - Proficiency in using Live chat software, Phone call software, and Email software - Experience with Shopify, Richpanel, and Excel is a plus - Excellent communication and problem-solving skills - Abili...

I'm looking to improve my website's SEO to generate more leads and conversions from local customers. The aim is to get visitors to submit inquiries via the contact form or place phone calls. Key Duties: - Optimize SEO to target local audience - Implement strategies to increase contact form submissions - Implement strategies to encourage phone call inquiries Ideal Freelancer: The ideal candidate will have significant experience with SEO, particularly geared towards converting local traffic. They will also have a proven track record in increasing contact form submissions and encouraging phone inquiries via effective and engaging website design.

I need a skilled Flutter developer to create a medical diagnostic app. This app will be used to collect blood cell images or videos. Here are some specific features the app will need: - User authentication - Push notifications - In-app purchases Also, the app should be capable of capturing and storing High-Definition (HD) images or videos. If you're adept with Flutter and have some experience in creating medical or diagnostic apps, your expertise will be highly desirable for this project.

I need 1000 list from USA which will have email phone number address etc and it should be in excel file category bar.

I need a proficient data specialist to compile a comprehensive database of Romanian companies. - Compatibility: The database must be compatible with Windows and Mac platforms. - Specific Details: Every company's record in the database must contain the company's name, phone number, and email address. - Extent of Database: Aim for a sizable database that contains information about 100,000 companies. Ideal candidates will have experience in data mining and database management, and an understanding of Romanian market dynamics. Strong accuracy and attention to high-quality data is a must.