Flutter firebase messaging not working jobber

Not for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for biddingNot for bidding

...users mainly focusing on real-time messaging capabilities of Rocket Chat. I am open to other chat messaging services. I want a private, cloud based instant messaging service with end to end encryption. This will include you setting up the cloud service on Building the services, and providing instructions on how to add users. I will provide accounts and give access. Key Responsibilities: - Building a cloud-based Rocket Chat server - Ensuring the server supports Real-time messaging feature Ideal Skills: - Familiarity with Rocket Chat or similar messaging platforms - Experience in server setup and management - Knowledge in cloud-based systems I hope to see this project completed within a month, and I'm looking forward to working with a co...

I am looking for a Flutter developer to create a modern and minimalistic Ludo game exclusively for the Android platform. The game should support both online and local multiplayer functionality. Key Requirements: - Development of a Ludo game application on Flutter for Android. - Inclusion of modern and minimalistic design elements. - Integration of both online and local multiplayer support. Ideal skills and experience: - Proficient in Flutter for Android app development. - Experience in creating mobile games, particularly Ludo. - A good understanding of multiplayer game development. - Strong design sensibilities for modern and minimalistic styles. - Ability to work on both front-end and back-end aspects of the app.

My Android app isn't displaying AdMob ads despite using the latest SDK and ensuring compliance with AdMob policies. Key Points: - The app is built for Android, and I am using the latest version of the AdMob SDK. - I have also checked my AdMob account, and there are no policy violations or restrictions. I need a skilled developer to troubleshoot and fix the issue. You should have experience in AdMob integration, be familiar with the latest SDK features, and be able to identify and resolve any potential obstacles that might be preventing the ads from appearing. Your task will be to identify the root cause, and provide a fix that ensures the ads are correctly displayed in the app. Please provide a brief overview of your relevant experience when applying.

...resolving hardware issues on workstations, printers, routers, and other equipment. - Setting up and configuring software: You will be responsible for installing and configuring software programs, ensuring they are working correctly and providing any necessary training to staff. - Network setup and maintenance: This includes initial network setup and ongoing maintenance and troubleshooting to ensure our systems are secure and running efficiently. Your communication skills are key, as you will be expected to provide progress updates and discuss any issues through email and online messaging/chat platforms. Familiarity with Microsoft Office Suite is a must. Any additional experience with Salesforce or SAP would be an advantage. This is a great opportunity for an experie...

I am looking for a Flutter developer to create a comprehensive PDF package. - The package should include functionality for: 1.) PDF encryption and decryption 2.) PDF compression 3.) Splitting PDF into multiple PDFs 4.) Merging multiple PDFs 5.) Watermarking PDF 6.) PDF validity and protection info 7.) Add page no. to the PDF 8.) Change PDF page size IMPORTANT: Do not use any underlying technology which requires AGPL-3.0 license or any other license which asks for fees for commercial use. Platform Support: - The Flutter package should be able to work seamlessly across both iOS and Android platforms. Exhaustive documentation will be required for the package. Example flutter package (for reference only): Payments will be done in phases after completion

I'm seeking a highly organized and diligent Virtual Assistant. Your key responsibilities include handling multiple core tasks including: - Email management - Calendar maintenance - Research and data gathering - Quote preparation - Taking phone messages I anticipate needing your assistance for 10-20 hours per week. Familiarity with instant messaging applications, used for consistent project updates and communication, will be an advantage. Ideal candidates should have experience with these tasks, show initiative and possess excellent multitasking skills. The quality of your attention to detail will be evaluated during the selection process.

I am looking for a talented developer to build a social networking app for iOS and Android. The app needs to be user-friendly for all age groups. Key features should include: - Messaging & chat functionality. The ideal builder should have experience developing social networking apps, especially ones with messaging components. Proven UX/UI design skills and familiarity with the latest software is vital to this project. The goal is to develop a product that can compete on the market not only regarding functionality but aesthetics as well.

...take my website and mobile app to the next level. We already have base ready but we need to enhance the project in mobile app and website. Key Responsibilities: - Developing interactive elements to keep users engaged. - Creating a user-friendly navigation system, ensuring a seamless experience. - Integrating social media platforms to help users stay connected. - App is already created in Flutter but few features are to be added - Backend CMS Vujes + Laravel Skills and Experience: Ideal candidates should have strong experience in react , vuejs development, user interface design, and social media integration. Experience with targeting diverse audience segments is also a big plus. They should also understand the importance of user engagement and how to creatively implement...

...social networking application similar to Tiktok that supports both iOS and Android platforms. Key features: 1. Messaging: Implement a robust messaging system that supports real-time communication between users. 2. Photo Sharing: Allow users to upload, share and comment on photos within the app. 3. Event Planning: Enable users to create, discover and RSVP to events within the app. 4. Video Sharing: Implement video sharing functionality for users to upload, view and interact with videos. Ideal skills and experience for this job include: - Proven experience in developing social networking applications - Expertise in iOS and Android app development - Strong understanding of messaging and media sharing functionalities - Ability to design and implement engaging, user-...

I'm looking for an experienced app developer who can create a cross-platform social networking application. The primary goal of this app is to connect people based on their geographical location. Key features required are: - Location-based services: The app should be able to determine a user's location and match them with others in the same area. - Messaging: Users should be able to communicate with each other through the app. - Photo sharing: The ability for users to share images with their connections. Ideal skills and experience: - Proven track record in developing social networking apps. - Proficiency in development for both iOS and Android platforms. - Experience with integrating location-based services into mobile applications. - Strong understanding of security an...

Create flutter application for send trade signal

I am seeking an experienced Flutter developer to build an e-commerce app compatible with both iOS and Android. I already have a designed blueprint ready and will provide all assets and wireframes needed to expedite the process. Key Responsibilities: - Convert my design to a fully functional app - Ensure smooth and efficient operation on both platforms - Include all essential features for an e-commerce platform, including but not limited to, product listing, shopping cart, payment gateway, and user accounts. Ideal Candidate: - Must have significant experience in developing cross-platform apps using Flutter - Prior experience in e-commerce app development is preferable. - Must have good understanding of how to integrate third-party services and APIs - Strong atte...

I'm looking for a seasoned graphic designer to refine my existing logo. The task requires: - Updating the design to make it look less cartoonish and more refined - Injecting creative graphical elements that echo professionalism and creativity. The revised logo will be extensively used on my website, social media profiles, as well as in printed materials. Thus, it should work well in digit...less cartoonish and more refined - Injecting creative graphical elements that echo professionalism and creativity. The revised logo will be extensively used on my website, social media profiles, as well as in printed materials. Thus, it should work well in digital and print formats. The ideal candidate should possess a strong knack for color grading, graphic design, and an understanding of brand ...

...suited for the teenage demographic. This app will require: - Registration and login using FIDO2 authentication protocol - A well-structured node.js backend integration - Custom message push notifications for active user engagement - Local database integration for efficient data management The app should contain a seamless payment feature, promoting accessibility and ease of use. No need for messaging/chat feature, gamification elements or social media integration. Preferred Skills and Experience: - Proven experience in Android development - Profound knowledge of FIDO2 Authentication - Familiarity with Node.js backend development - Proficient in local database integration - Experiences in implementing custom message push notifications - Hands on experience with payment gatew...

Hi I am looking for a freelancer to help me with updating and new entries and data for my Google Business profile. I want this job to be done within 1 hour by live messaging with me. Also this job does not work in Pakistan and USA and I need to complete at least 2 items before I can pay the milestone. Please only apply if you agree to this process and you must also speak basic English. This is a very easy task and you can do it in 5 minutes if you are good at creating 1 item I want to find the best freelancer to help me I am looking for an experienced professional to Google Business profile for my business. You'll perform the following tasks - Enter the specific details of my business: name, address, phone number, etc. I have this data ready and will guide you through t...

I'm looking for an experienced Flutter developer to create a cross-platform app compatible with both Android and iOS. Key Requirements: - Develop a seamless, efficient, and user-friendly app for both Android and iOS - Ensure the app is responsive across devices and screen sizes - Create a scalable architecture to support future updates and integrations Ideal Skills and Experience: - Proficient in Flutter and Dart - Prior experience in developing cross-platform apps for both Android and iOS - Knowledge of mobile app best practices, design principles and guidelines - Strong problem-solving skills and ability to troubleshoot and optimize app performance - Good understanding of APIs and integrations The timeline for this project is flexible, so you can work at your own pa...

...developer that can create a service app encompassing different features. The app should be accessible on both iOS and Android platforms. Main functional requirements include: - Appointment booking: User-friendly feature that allows users to easily schedule appointments. - Service information: An effective way to provide users with updated information about offered services. - Instant in-app messaging: A swift communication channel for users to increase their interaction level - Matching: Connecting users based on certain criteria. The ideal candidate should have experience in cross-platform app development, a solid understanding of functionalities similar to those listed, and strong ability to deliver high-quality work in a non-pressured timeline. Previous experience in ser...

As a Flutter Developer, you will review the software specifications and UI mock-ups, develop a cross-browser mobile application from scratch, and lead the application testing effort. You'll work alongside a backend developer and a UI designer to ensure you create high-performing applications with a smooth user experience. Roles and Responsibilities · Designing, developing, testing, maintaining, and deploying software in the Flutter framework and Dart language. · Developing and implementing user interface components by following well-known Flutter / Dart workflows and practices. · Participate in testing, quality assurance, and bug fixes as part of the CI/CD cycle. Qualifications and Requirements: · 3 to 5 years of experience developing...

I'm in need of a versatile FlutterFlow tester that can be used across Android, iOS, and the Web. The ideal candidate should be proficient in the Flutter framework and have a strong understanding of quality assurance. Key Functionality Requirements: - User Authentication: The application should allow for secure user logins across all platforms. - Testing Automation: Automation is a key focus. The tester should be equipped with the ability to automate testing processes to ensure efficiency. - Test Result Reporting: After tests are run, the application should provide comprehensive and easily understandable reports on the test results. Device Optimization: The tester should be optimized to work seamlessly on both mobile phones and desktop computers. It should be designed to ensur...

...system architecture, concurrency, virtual memory, cryptographic primitives, and TCP/IP networking. I need a tutor who can help me understand difficult concepts and prepare for exams. Key Requirements: - Should be knowledgeable in all the topics listed. - Ability to explain past exam solutions. - Experience tutoring in computer organization or related subjects. - Able to communicate via instant messaging for convenience. - help in exam preparation Here is a list of all the topics covered in this course Building and Introduction - Basics of .o, .a, .so files, dynamic/static linking, and makefiles. Accounts and Permissions - POSIX permissions, user IDs, and sudo functionalities. Privilege and Exceptions - Kernel mode, system calls, and exceptions. Signals and Processes - Handling...

...keep having people start the job, do a few things and then all of a sudden just stop working for no reason. Must have good communication and have experience with complex fixes, when a task is assigned it needs to be resolved and whatever else is found quickly. Bugs mean the site is down or not working and dont have time for excuses or inexperience. This is a long term position as once you get use to the sites (about 12) the issues tend to be the same. DO NOT apply just to work temporarily because you need money today, please. I dont want to invest time for someone who will just fix a few tasks and then disappear. No place holders, please! I need someone who is serious and can do the work, if you are not an expert dont waste my time please! MAX BUDGE...

Apple Account ready. Code ready. No issue. Need immediately

I'm looking for an experienced developer to help me advance my existing Flutter application. Ideally someone with a strong understanding of both iOS and Android platforms. Key Requirements: - You must be proficient in Flutter with proven experience of building applications for both iOS and Android. - Experience in complete application assistance is essential as you will be expected to understand the codebase and provide improvements. - The app requires distinct features to be enhanced, such as user authentication, push notifications, and in-app purchases, therefore, previous exposure to such features will be ideal. Your role will not be to develop from scratch, but to provide much-needed input, code refinement, and feature enhancements. I am counting on your exp...

I'm looking to hire a freelancer to develop a specialized bot that can scan and analyze various cryptocurrency projects to identify coins with at least 5...Requirements:** - Utilize cryptocurrency APIs and blockchain data sources for real-time tracking and analysis. - Implement an efficient scanning algorithm to identify coins meeting the investor threshold. - Integrate with Telegram Bot API or Discord API for seamless message delivery and user interaction. If you have experience in blockchain development, bot creation, and integration with messaging platforms, please reach out to discuss the project further. Your expertise in developing this specialized bot would be highly valued. I'm excited about the potential of this project and look forward to collaborating wit...

I'm looking for a Fullstack web developer experienced in Laravel and Flutter. The main aim of my website is to promote IA. The only Idea of my app is to create an AI that users enter a prompt to create a Design (flyers, logo, banners) in few minutes. The AI will do the same thing like a Graphic Designer with Photoshop and Illustrator. The AI will create a quality and professional design for each prompt as if it's a Graphic Designer who made it. I don't have a design prepared and would need help with this aspect, so having a good eye for design and UX would be a big plus. Ideal Skills: - Proficient in Laravel and Flutter - Able to help generate and implement design ideas - AI generation. - Familiar with creating websites for promotional purposes. Experience...

I'm looking for a skilled and experienced developer that can build an app using cloudVision (ideally) for a proof of concept project. The app needs to have two main functionalities: - Scan an object: The app ...Trigger a visual WebXR experience: Upon scanning, the app should trigger a visual WebXR experience related to the scanned object in the users personal space. Ideal skills and experience for this job include: - Experience with WebXR development Immersive reality - Proficiency in cloudVision, ideally - Prior experience in building apps with advanced scanning capabilities - Strong understanding of Firebase for the backend - Ability to create a simple yet functional proof of concept - UNity and Unreal knowledge required When applying, I will send you the brief of the pr...

I'm seeking a skilled web developer who can design a user-friendly art we...part of this project. - An online ordering system that allows customers to add their chosen prints to a cart and checkout seamlessly. - Incorporating an intuitive request form for customized print orders. - Finally, integrating a direct messaging feature for interactive communication between the artist and the customers. The ideal freelancer should have experience in eCommerce web development, particularly in art-related sales platforms, with a good understanding of user-friendly interfaces. Knowledge of integrating multiple functions like direct messaging, customizable options, and a super smooth ordering process is essential. Simply put, you should know how to turn an art website into an inter...

I'm seeking a talented video producer to...concise yet engaging promotional video - Clearly communicate the brand's value proposition and key messages - Develop a script that resonates with a diverse, general audience - Use visual and auditory elements effectively to captivate viewers Skills/Experience Needed: - Proven experience in producing high-quality promotional videos - Ability to understand and effectively communicate brand messaging - Strong scriptwriting skills, tailored to a general audience - Proficiency in video production and editing software - Creative approach to storytelling in video format This project offers the opportunity to be part of increasing brand visibility and should appeal to freelancers with a flair for visual storytelling and understanding...

We are in need of a skilled developer who has experience with both react js or angular as well as Flutter. The ideal candidate will be able to handle specific tasks for the project as well as provide ongoing support. The timeline for this project is less than a month. Skills and Experience: - Strong proficiency in React.js and - Experience with Flutter - Ability to handle specific tasks and provide ongoing support - Time management skills to meet the project deadline 1 great knowledge react js or angular and flutter 2 experience minimum 3 year 3 done any Erp and crm software 4 we can pay per hour 3 or 5 usd in a month200 to400 hours in a month 5 good knowledge Api integration

We are seeking an experienced Flutter developer to integrate a new UI and API into our existing matrimonial app. The app is already built in Flutter, but we have redesigned the UI and need assistance with integrating the new design as well as connecting it with our backend API. Responsibilities: Integrate new UI components into existing Flutter the app with our backend API to fetch and update UI animations and transitions as per design with our team to ensure functionality and design coherence. Notes------- pls check and confirm don't waste time

I am seeking a talented copywriter to help with a marketing campaign for my business-to-business (B2B) radio station. The aim is to attract more B2...advertising techniques. - Ability to create compelling, professional, and persuasive copy for a business audience. - Understanding of how to write for the ear, considering the auditory nature of radio. - Experience in the radio industry or with radio advertising is a definite plus. The project will involve: - Crafting impactful, concise, and clear copy that can be spoken on air. - Ensuring the messaging aligns with the nature and target audience of B2B radio. - Creating different scripts for various radio spots, keeping the overall marketing campaign cohesive. - Revisions and adjustments as needed to fully capture the essence of our ...

... This would involve ensuring that the content on the site is up-to-date and relevant to the target audience. Specifics- Ongoing Maintenance: Regular updates, bug fixes, and security enhancements are necessary to ensure my website runs smoothly and securely. Text Additions: Prompt addition of text content as per your requirements, ensuring it aligns seamlessly with your website's design and messaging. I need to add in my seller of travel and other certs. Opt-in/Opt-out Features: Implementation of user-friendly opt-in/opt-out functionalities to enhance user engagement and compliance with data privacy regulations. Specifically, text opt in and opt out. Appointment Scheduler: Integration of a robust appointment scheduling system tailored to your specific business needs, all...

I'm urgently seeking a skilled developer to create a Telegram bot that ...can perform a range of essential functions. Key Features: - Sending automated messages - Providing information or FAQs - Collecting user feedback Tasks: - Sending notifications - Providing weather updates - Answering user queries I expect the project to be completed as soon as possible. Ideal Candidate: - Experienced in Telegram bot development - Proficient in various messaging APIs - Familiarity with automated messaging systems - Skilled in data collection and feedback mechanisms - Able to create a responsive and user-friendly interface I need someone who can work efficiently and effectively to deliver a high-quality product within a short timeframe. Please submit your bid only if you can me...

I need a Flutter developer to create an bill payment app.

...potential life partners before involving their families. We are seeking a Full Stack Developer Intern who can significantly impact millions of millennials in their quest to find a life partner. The primary focus will be on Flutter development. We expect the candidate to approach the role with the mindset of a co-founder, demonstrating high confidence levels. Building our product entails extensive collaboration, necessitating a strong team player with a dedication to excellence. Job Description- • Should have experience in the mobile app development • A history of developing Flutter apps that are built for scale and security • Software engineering is a skill that is cultivated by years of debugging code and doing feature fixes. We are looking particularly fo...

...User Authentication: The app should offer secure and seamless user authentication mechanisms. - Push Notifications: I need the app to have a push notification feature to engage users with timely updates. - In-App Messaging: The app should also support in-app messaging for user interaction and engagement. Additional Requirements: This app should also be bilingual, so having experience with multi-language support will be a plus. Ideal Skills and Experience: - Proficient in mobile app development for both iOS and Android. - Strong understanding of user authentication and in-app messaging. - Prior experience with push notification implementation. - Experience in developing multi-language mobile apps. Please include relevant samples of your previous work in your bid. ...

Apple Account ready. Code ready. No issue.

...generation. Please give me a price per 1000 leads. Must be recently licensed within the past 30 days. • Goal: Derive high-quality leads via email marketing strategies. You should aim to draw attention and trigger responses from potential prospects with your technically sound and professional email marketing. • Technique: Concentrate efforts on personalized communication. Make use of tailored messaging with a strong blend of personal articulation and professionalism to entice the leads to act. Ideal candidates for this project would be professionals with robust experience in email marketing, lead generation, and a comprehensive understanding of the insurance sector. If you have a knack for personalized communication and a proven track record in driving leads through ...

...local freelancer platform. The platform will connect job seekers and posters, facilitating the posting and bidding of jobs, as well as managing project progress and payments. The ideal candidate will have expertise in both front-end and back-end development, with experience in TypeScript frameworks for server-side rendering and React.js or Vue.js for web development, as well as React Native or Flutter for mobile app development. Responsibilities: - Develop user authentication and profiling features, including sign up, basic details collection, and user categorization. - Implement job posting functionalities, allowing users to create detailed job listings with prompts and boilerplate templates. - Design and integrate payment gateways, specifically utilizing Midtrans Indonesia...

...Integração com Google Firebase Integração com Google Analytics Integração com Google Data Studio Ferramentas Proprietaria Para ADS ( Melhor Posicionamento nos Resultado, Push, Envio em Massa de Chats, Etc..) - Requisitos técnicos: Compatibilidade com Sistemas Operacionais: Android: Suporte a versões Android 6.0 (Marshmallow) em diante. IOS: Suporte a iOS 13.0 em diante. Web: Compatibilidade com os principais navegadores modernos (Chrome, Firefox, Safari, Edge). Linguagens de Programação e Frameworks: Front-end Mobile: React Native para desenvolvimento cross-platform. Back-end: Node.js, para a API do servidor. Front-end Web: React, Angular, ou Vue.js. Banco de Dados: Relacional: PostgreSQL ou...

...communication through instant messaging for updates and discussions. Key Responsibilities: - Develop a detailed planting schedule for the vegetable crops, considering climate and soil. - Analyze potential pests and devise a comprehensive pest management plan. - Regularly communicate progress, potential issues, and any necessary changes in our crop plan or pest management. Ideal Candidate: - Proven experience in agronomy, specializing in crop planning and pest management. - Proficient in working with vegetable crops is a must. - Strong communication skills, particularly in written, instant messaging communication. - Ability to provide regular updates and respond promptly to any concerns or changes in the plan. Looking for someone who can commit to a long-term ...

Our team is seeking a skilled developer with MiniApp experience who could take our existing application to a new level. By leveraging the Alipay MiniApp platform, we aim to enhance our user interface, improve performance speed and seamlessly integrate the Alipay payment system. Additionally, we have plans to expand our reach overseas by making our app available on the Vodacom M-Pesa Super App which is using Alipay MIniapp Platform. To truly localise for the Vodacom market, we need to improve our user interface and user experience. To be an ideal candidate for the project: - You must have expertise in app development using the Alipay MiniApp platform, - Proven performance in improving user interfaces and user experiences will give you an edge over the competition. - Experiences in develo...

I have the source code of my existing Android app and I'm eager to update its functionalities by using Flutter. The primary goal of this project is to revamp the app and introduce new features. The main aspects of the project include: - Implementing a user login system: The app should allow users to create accounts, log in, and manage their profiles. - Setting up push notifications: I'd like the updated app to send push notifications to users, based on their preferences. - Integrating in-app purchases: Users should have the ability to make purchases within the app securely. Ideal candidates should have: - Proficiency in Flutter and Dart - Experience with Android app development - Strong understanding of user authentication systems - Previous experience with push n...

I have a seat booking management software for a travel agency that needs a glowing touch of design. This project involves providing a seamless user interface for seat booking, integrating paymen...ranking. - Payment Gateway: The integration of a cashfree payment system that can handle secure, reliable online transactions. A background in implementing secure online payment options is crucial here. - WhatsApp Confirmation: The system should be set up to confirm seat bookings via WhatsApp message, to offer our customers immediate reassurance of their booking. Experience with integrating messaging systems into web domains will be highly advantageous. Being detail-oriented, having good problem-solving skills and having familiarity with the contemporary design trends would be ideal for...

The main idea of ​​the project is stories for children. Story information, pictures and voice recordings can be uploaded from the admin panel of the application. This information will be kept on the Firebase platform. Since it is kept on the Firebase platform, pictures and sound recordings will be cached on the user's own phone or saved as a file, so the server will not be occupied unnecessarily on the Firebase server side. Registration etc. for end users. It will happen too. There will also be Ads management within the application, and if the user becomes premium, then the ads will be removed. You can contact us for detailed information. The application will be on both platforms (Android & iOS).

I am seeking developers who have an experience working with MediaPipe in Android Native and ARKit in iOS native. More details can be provided to the freelancer in chat.

Hi Umar M., Help me with flutter for my mobile app. Thank you!

...stores, we check QC, Ironing, Packing, labeling, etc. 7. From stores they come to Retail shops. 8. From the shop we sell to customers. 9. POS system needed chich includes Discounts and Loyalty point for customers. 10. The POS should be able to input customer details and create accounts for them during purchases. So we can track the sales of each customer and send the loyalty points. 11. Integrate Messaging app to ERPnext to send bills to their phones. 12. Track Stocks and their movement over the years. 13. Financial accounting should be included. Key Features: - Contact Management: The CRM should allow us to easily store and retrieve client information. - Lead Management: It should streamline our sales process by effectively managing all our leads. - Sales tracking: A crucial f...

...mechanism to trigger notifications in real-time whenever a new entry is made in the Google Sheet through AppSheet. Create customizable message templates to populate WhatsApp messages with data from the newly entered form. Ensure secure and reliable communication between AppSheet and WhatsApp Business API. Implement error handling mechanisms to address any potential issues during data transfer and messaging. Technical Approach: Utilize the WhatsApp Business API to establish a communication channel between AppSheet and WhatsApp. Implement webhooks in AppSheet to detect new data entries in the connected Google Sheet. Develop a message parsing mechanism to extract relevant data from the Google Sheet entry and populate predefined message templates. Ensure proper authentication and ...