Use mobile phone gps tracker jobs
I'm looking for a marketing professional who can run a targeted Facebook Pay Per Call campaign. Specifically, I want someone who...in Spanish is a must. The ability to convey complex financial information effectively in Spanish is critical. - Strategy: The ideal candidate should be able to customize ad content and targeting to resonate with our specific audience, encouraging them to take the desired action of making a phone call. - Tracking: While I prefer Facebook's native call tracking system, proficiency in any other reliable tracking method would be beneficial. The ultimate aim of this project is to increase the number of phone call inquiries our debt settlement service receives. I'm looking for someone who can not only create engaging ads, but also ensur...
I'm looking for a seasoned full stack developer with expertise in Flutter, React JS, and Node JS to build a comprehensive web application. The project will include, but not limited to: - Building a User authentication system - Implementing real-time notifications - Integrating data visualization tool The ideal candidate will have a proven track record of developing complex web applications. Familiarity with Firebase and Google Cloud is also a plus. Through this project, we aim to create a responsive, efficient and user-friendly platform. Your role will be crucial in achieving this goal. Please provide examples of web applications you have built previously that applied these skills, especially with real-time notifications and data visualization. I look forward to working with you.
I'm looking for an experienced app developer to create a mobile application tailored for airport transfer drivers. The primary function of this app is to assist our drivers in collecting proof of customer no-shows. The app must include the following features: - GPS location tagging: The app should be able to capture and store the precise location of the driver when a photo is taken. - Date and time stamping: Each photo taken should be automatically stamped with the current date and time. - Picture capture functionality: The app should provide an intuitive and user-friendly interface for capturing images. It is crucial that the app also includes a secondary functionality for flight tracking. The app should be able to link to flight schedules, write the time and date of ...
I need to convert my Wordpress website into mobile apps for both iphone and android. I require the converted apps to have push notifications features. Key Requirements: - Convert my Wordpress website to both iPhone and Android apps. - Implement push notifications feature for the mobile apps. Ideal Skills: - Proficiency in converting websites to mobile apps. - Experience in adding push notifications to mobile apps. - Familiarity with both iOS and Android app submission process.
I'm in need of a proficient developer with very specific skills for an exciting project. This project involves creating a poster maker for mobile platforms and should contain features like customizable templates and image importing. Key features and requirements of this project include: - Mobile platform compatibility: The poster maker should be intended for use on mobile platforms. - Feature implementation: It should possess two main features, 1. Ability to utilize customizable templates, and 2. Capability to import images. - Supported image formats: Importing of JPEG and PNG formats should be seamlessly facilitated. Ideal Skills: Expertise in mobile app development is required, with a profound understanding of integrating the required features a...
I'm looking for an expert in digital marketing. Your role will be focusing heavily on converting leads to purchases and optimizing landing pages for enhanced User Experience (UX). Our mobile pages should be optimised to REDUCE BOUNCE and RETAIN CUSTOMERS. Key Responsibilities: - Develop highly effective digital marketing strategies - Lead generation and conversion through Google Ads - Optimizing landing pages for UX Ideal Candidate: - Proven experience in the above. Send examples of Landing Pages that you have designed. Your expertise with our target audience will be crucial for our campaign success. Let's convert leads into sales together!
I need the header on my WordPress site to be adjusted in its mobile version. The full header requires resizing. Key Responsibilities: - Resize the full header in the mobile version Ideal Skills and Experience: - Proficiency in WordPress development - Experience with responsive design, especially mobile optimization - Strong understanding of CSS and possibly JavaScript for more complex adjustments In your application, please provide a detailed proposal on how you plan to approach and execute this task. Past work examples of similar mobile optimization projects will be highly considered.
I...for a mobile app developer to create a rideshare app that will be available on both iOS and Android platforms. Although I have a rough idea for the app design, I am open to suggestions from the developer. The most important feature that I want to include in the app is GPS tracking to ensure accurate location tracking for both drivers and passengers. Other features such as in-app payments and ratings and reviews are also important to provide a seamless and reliable user experience. Ideal skills and experience for the job include: - Proficiency in mobile app development for both iOS and Android platforms - Experience in implementing GPS tracking functionality in mobile apps - Knowledge of in-app payment integration - Familiarity with implementing ratin...
I'm in need of a skillful API expert who can complete the creation of my app on Zapier. I've already managed the authorization part; now what's required is the trigger setup. I h...specific list - Implementation of the trigger in accordance with the API guides The trigger that needs to be created will involve gathering and adding the following information: - Name - Email - Phone number I'm seeking a professional with the following skills: - Strong experience in developing APIs - Proficiency in working with Zapier and creating triggers - Excellent attention to detail to ensure the trigger is correctly implemented - Effective communication skills to understand API guides and deliver the desired result Once this is done the lilypostbox app will want oushing live ...
I'm looking to develop an online payment website that will support transactions made using credit cards and bank transfers. The payment process should include collecting the following user information: - Name - Email address - Phone number - ID verification The ideal site should be compatible with desktop computers, mobile devices, and tablets. I need an experienced developer who is familiar with payment gateway integration and security protocols. Experience with ID verification processes would be a plus. As reference, the website should be the same as - escrow.com Please list your estimated fixed price and work duration.
I'm in need of a skilled UI/UX designer who can use Figma to redesign my current app. Here's a little more detail about what I'm looking for: - **Current Platform:** The app is currently available on both iOS and Android. It's essential that the new design is seamless and consistent across both platforms. - **Design Aesthetics:** I'm not looking for a complete overhaul, rather a more polished version of the current design. I'm particularly interested in a more minimalist and sleek design, as well as a transition from a sidebar menu to a bottom menu. I'll provide examples of interfaces that I like, which I'd like you to incorporate into the design. I have a few specific layouts in mind that I'd like you to integrate into the new de...
I'm in need of a skilled mobile app designer who can assist in enhancing the features and look of my existing app. Key Requirements: - The design modifications primarily focus on UI improvements and functionality enhancements. - For the user interface, I'm looking to make changes to the color scheme, font styles, and the overall layout. - In terms of functionality, there are a few particular areas that need work: - Integration of push notifications to keep users engaged and informed. - Integration of social media, to enhance user experience and engagement. - Enhancing user authentication to ensure robust security measures. Ideal Skills and Experience: - Proven experience in mobile app design, with a strong portfolio of UI/UX work. - Proficient in de...
Expected Salary between 2000 and 3000 EUR I am in need of a Polish Native Speaker for my inbound phone customer support team. Your primary role will be: - Answering incoming calls from customers - Providing detailed information about our diverse product range The successful candidate should be an expert in customer service, with excellent communication skills in Polish. Knowledge about our products will be an asset in this role. Fluency in Polish is a must. Past experience in a customer support capacity will be highly regarded.
As a growing business, we're seeking an experienced Swedish native who can provide phone support for our Customer Service department. The successful candidate should be: - Able to manage a workload of between 50 and 100 calls per day. - Possess strong understanding and knowledge in resolving customer issues promptly and pleasantly. Your primary responsibility would be to answer customer inquiries, resolve their issues, and provide a positive customer experience. Essential Skills: - Fluent in Swedish (native level) - Excellent communication and problem-solving skills - Previous experience in a customer service role, preferably in a call center environment. This role offers a fantastic opportunity to get involved in the early stages of our customer service expansion. If yo...
I'm in need of a creative and professional logo design for my mobile detailing business, "Precision Pros Mobile Detailing". I'm looking for a skilled designer who can capture the essence of my business and represent it through a high-quality logo. Key Details: - Business Name: Precision Pro Mobile Detailing - Preferred Color Scheme: Blue and Silver (any other if looks good) - Desired Elements: Car Silhouette and Water Droplets Ideal Skills and Experience: - Proficient in graphic design and logo creation - Experience in creating professional and eye-catching logos - Understanding of color psychology and its application in branding - Ability to incorporate multiple elements seamlessly - Strong communication skills to understand and implement feedbac...
...notes: - can be developed a variety of ways, but mainly wordpress is what I'm looking for. - should be easily accessible and usable on pc, phone, tablet. - requires the user to make an account with the website before its use. I am currently designing the website, and looking for this program to be created externally on wordpress or whichever way will fit in the budget. Important: Please only consider this project if you will are okay with the budget, and have read through the project outline. Thank you. Project details: basic functions: (the main function is to show what time the user has to work on their goals, and generate a schedule for them to use, factoring in all their tasks in their daily lives) - asks for users input on 'how disciplined ...
...news website. I want to turn it into a mobile app. Key Requirements: - Conversion: Convert my news website into a functional mobile app. The app should be user-friendly, visually appealing, and easily navigable. - News Update: Users should receive push notifications for new content. - Interactivity: Enable user comments and interactions, facilitating engagement and discussion around the news. Timeframe: - The project does not have a strict deadline. However, I would like it to be completed in a reasonable timeframe. Ideal Freelancer: - Experience: I am looking for a freelancer with a strong background in mobile app development, especially in the news or information-sharing sector. - Skills: Proficiency in creating user-friendly and interactive mobile ap...
I'm looking for a talented mobile app developer to create a comprehensive family tree mobile application. The app should be available on both iOS and Android platforms. The primary goal of the app is to enhance family communication and organization, so it will feature several key functionalities, including: - User registration and login - Family tree visualization - Photo upload and tagging - Entering details for individuals by Admin or other users with approval from Admin - Family News - Family Calendar - Admin Notifications and user notifications - Family Board data with accomplishments The app should have an intuitive and user-friendly interface, making it easy for all family members to interact with. Experience in developing similar applications, particularly tho...
I am looking for an expert in Doorbird system to help maximize the efficiency of my home unit, focusing specifically on: Access control: - Enable the system to control multiple doors and garage openers - Allow to lock/unlock remotely - Add a keypad entry system for a streamlined user experience. Automation: - Automize processes where possible for ease of use Ideal Skills: - Extensive knowledge in Doorbird systems - Experience in automating security systems - Expertise in integrating varying access control systems, particularly with keypad entry systems and magnetic locks Your will help me document the current setup, explore technologies and products to purchase, make a plan incl. wire diagrams. Proven experience with home automation (doorbird a1018, doorbird D2101) systems...
...native Italian-speaker for a part-time customer support role, working cca 1-2 hours a day. Work description and inhouse communication is in English, so you have to understand and be able to communicate with us in English as well. The calls you'll have to make to our customers will be in Italian only. Responsibilities will primarily include: - Managing customer interactions through both email and phone. - Responding within a three-hour window from the time of customer contact. - Primarily handling billing inquiries. The most suited for this role are those with: - Proficiency in Italian - Excellent customer service skills - Experience with billing inquiries - A fast yet detailed approach to their work. Experience in a similar role will be favorably looked upon but is not...
I need help with scraping specific information from urls (we will provide). The key details I need are the company name and contact information. Website Phone Email Brand Country Of Origin Total Entries: 1704 No research required, you just need to copy paste information from the fields onto a google sheet.
...proxy status. Customer dashboard: + Dashboard to overview: APIKey, APIkey count, account balance, Change Password of proxy + Buy 4G Mobile proxies - product variants + Top Up: top up using USDT, Btc, ltc + Setting menu: update user profile, change password, show action history, balance history Ideal skills for this project include: - Proficiency in web development, particularly dashboard creation. - Experience in user management system design. - Knowledge of proxy service management and billing systems. - Understanding customer support and user experience principles. - Strong communication skills to understand and meet my requirements. Open to use prebuild dashboards like adminlte or and integrate the features. Please apply if you are familiar with this re...
Seeking freelancer in Portugal (preferably in the Arganil region) Are you a proactive multitasker based in Portugal, near Argani...multitasker based in Portugal, near Arganil, looking for flexible work opportunities? I am in search of a dynamic freelancer who is fluent in both Portuguese and English to assist with various tasks. Long term work, short tasks every now and then. Responsibilities include: Researching local companies and products Making phone calls Occasional site visits as required Stable internet connection for remote tasks Requirements: ✔ Fluency in Portuguese and English ✔ Reliable internet and phone communication ✔ Access to a car and a valid driver's license I offer a fixed hourly price of 8 euro per hour, but I am open to discuss a project-base...
I am on the hunt for a proficient Flutter developer experienced in enhancing and customizing a mobile application that is connected to a website too. The app is connected to a Laravel website and I need some specific enhancements. The exact details will be provided later, but what i want is add 1 more payment method(Full development Sdk will be provided with docs) this will be the default payment method. there are 3 apps user provider and admin all 3 connected to a website so the changes have to reflect on all ( the code is very clean done by a professional team) we just want it to be suitable for our area local city. there are few other edits we need like adding ability to send Cv to the admin before proivider start work ( the current process is that the provider signs up then ad...
In quick expansion of our consumer base, I am seeking an Italian native speaker to provide customer support primarily through phone calls. The ideal candidate will have basic knowledge of sales to facilitate successful interactions with our customers. Key Responsibilities: - Answering product-related queries via phone calls - Utilizing effective sales techniques to ensure customer satisfaction - Necessitate top-tier communication skills Essential Skills: - Native level Italian - Proven sales skills - Exceptional problem-solving capabilities - High-quality communication skills I invite those who fit the bill of a proactive problem solver with sales expertise and a passion for providing excellent customer support to consider this opportunity.
Salary 2000 EUR Montly +...+ bonuses I am looking for a native German-speaking individual who can effectively offer customer support for my business. Key Responsibilities: - Responding to customer queries over the phone with promptness and professionalism. - Resolving customer complaints while maintaining a positive and empathetic attitude. - Providing information and assistance regarding products to the customers. Ideal candidate's profile: - Proficient in German (native speaker level) - Proven experience in customer service - Ability to manage stressful situations - Excellent communication skills, especially over the phone. If you believe you're a good fit, please make a bid. Looking forward to working with a dedicated professional who can handle our German...
...APP + Phone call (skype) Conversation time- total 2 hrs with 3-4 topics(about 20 mins for each topic)/2 persons as a group. Payout: $70 (2 person as a group) total 2 hrs with 3-4 topics. Its a one time project only. NOTE-: For this project we need a 1 minuet group conversation as a sample. ( in sample you speak anything with your partner in same room . we just need to check your native accent and enviroment) Work requirments: The recorders (Both recorders) record face to face in the same room by using our application and making the phone calls simultaneously. The recorders shall arrange two phones in total One phone is downloading Our Application The other phone is to dial the phone number simultaneously. We'll give you IDs and the phone...
Montly Expected Salary 2000-3000 EUR I'm in need of a fluent Polish speaker to take on the critical role of my company's Customer Support Repre...on the critical role of my company's Customer Support Representative. You'll be dedicated to handle product-related inquiries from our valued customers primarily over the phone. Here's what I need from you: - Polish native or fluency to communicate effortlessly with our clientele - Strong expertise in resolving product-related inquiries, the ability to grasp product knowledge quickly is key - A strong, reliable phone presence is a must, customer interaction is strictly over the phone Ideal Skills: - Deep knowledge of customer service principles and practices - Excellent problem-solving abilities - P...
...APP + Phone call (skype) Conversation time- total 1.5 hrs with 3-4 topics(about 20 mins for each topic)/2 persons as a group. Payout: $80 (2 person as a group) total 1.5 hrs with 3-4 topics. Its a one time project only. NOTE-: For this project we need a 1 minuet group conversation as a sample. ( in sample you speak anything with your partner in same room . we just need to check your native accent and enviroment) Work requirments: The recorders (Both recorders) record face to face in the same room by using our application and making the phone calls simultaneously. The recorders shall arrange two phones in total One phone is downloading Our Application The other phone is to dial the phone number simultaneously. We'll give you IDs and the p...
Montly Salary EUR 2000, full time + bonuses. Only Native Spanish speakers from Spain!! As a rapidly expanding company, we are in need of a dedicated Customer Support professional who is a...during afternoon shifts. The compensation package for this role is EUR2000/monthly. Responsibilities: - Responding to customer queries via voice calls and email, ensuring each customer receives top-notch service. - Using the Zoiper platform to manage customer interactions. Ideal Skills and Experience: - Fluency in Spanish (Spain Spanish) - Solid background in customer support, preferably in a phone and email environment. - Familiarity with the Zoiper platform is an advantage. - Excellent communication and problem-solving skills. - Availability for afternoon shifts. We look forward to your app...
...The platform will enable users to subscribe to and manage mobile proxies through integration with a third-party API. The core functionality will include user management, subscription handling via Stripe, and dynamic proxy management. Requirements: Strong Experience in Django: You should have proven experience with Django framework and building SaaS applications. Familiarity with SaaS Pegasus: Experience with the SaaS Pegasus boilerplate is highly preferred, as the project will be based on this framework. Stripe Integration Experience: Must have experience in integrating Stripe for handling subscriptions and billing processes. API Integration Skills: Ability to integrate third-party APIs is crucial, particularly for managing mobile proxies. Frontend Proficiency: Comfortab...
I need immediate help with a delivery issue relating to a package sent through China Post. The situation involves potential fraud, where a package appears to have been signed for but not actually received. The task at hand is to make an urgent phone complaint using a U.S. phone number. Key Requirements: - Fluency in English - Have proficient experience in after-sales complaints - The ability to offer a specific reply regarding the delivery status, confirming further investigation into the issue We will provide a tracking number to each participant，The scale of this task is substantial, requiring 10 people to interact with the customer service representatives simultaneously. The main goal is to prompt China Post to scrutinize the delivery issue, ensuring a comprehensive inve...
I need assistance in contacting China Postal Service regarding a package delivery issue. - The purpose of the call is to address a discrepancy in the tracking information. - While the tracking status indicates that the package has been received, it has not actually been delivered. The ideal freelancer for this project needs to have: - US local phone number，Telephone complaints must be made using a local U.S. phone number - Can speak simple Chinese since you'll be contacting the Chinese Postal Service. - Strong communication skills to effectively navigate a customer service call. - Experience in resolving delivery disputes or complaints would be a plus.
...a Google ad that directs traffic to a Wix landing page. This landing page is designed for visitors to either submit a form or place a phone call. I am looking for a skilled professional to help me set up conversion tracking specifically on the Google ad. Key requirements include: - Setting up conversion tracking on the Google ad. - Tracking both form submissions and phone calls on the landing page. - Coordination with my existing Google Analytics setup on the website. The ideal candidate for this project should have: - In-depth knowledge of Google Ads and conversion tracking. - Experience in setting up conversion tracking for both form submissions and phone calls. - Familiarity with Wix websites. - Expertise in coordinating Google Ad conversion tracking with Googl...
I'm seeking an exper...secondary school has one, if a chair can not be found clerk of Governors acceptable. Site to help The budget is $100 no more - please send a sample of 10 to 20 Governors Key requirements include: - The list should be organized alphabetically by county/area - I need contact details to include email addresses and phone numbers. Your experience with web research, data mining and data entry will be crucial to successfully carry out this task. Knowledge of educational institutions and contact compilation is key. Please ensure that the details gathered adhere strictly to public schools only. I expect high levels of accuracy, so skills in precision and attention to detail are crucial.
...are intended for end-use applications, so they must be able to meet the demands of operational usage. Key Requirements: - End-Use Parts: The printed parts are intended to be used in real-world applications, hence must be robust and functional. - Standard Finish: While I'm not looking for a polished or ultra-smooth finish, a standard finish that is typical of FDM 3D printing is acceptable. - Material: The parts should be printed in PETG, specifically in white color. Ideal Skills and Experience: - Proficient in 3D Printing: Extensive experience in FDM 3D printing and a deep understanding of its nuances is essential. - Material Knowledge: In-depth understanding of PETG and its properties is required to ensure the parts meet the desired mechanical characteristics. - En...
...experience in HR processes or a similar background. What you need to do: The project is divided in 2 milestones. 1. the task is to submit the employee documents to the clinic receptionist or manager and ask them to provide us with verification . 2. second part is to make 6 geo tag pictures Of the signboard of the clinic , building, business card. By using following app . For proof of your visit we need the pictures. What I will provide: - All necessary information for you to verify the potential employee's employment history This task takes precision and attention to detail; your due diligence can have a significant impact on my organisation. Please only apply if you have relevant experience and can handle this sensitive
I am looking for: - An expert Swift/Kotlin developer with in-depth understanding of the Mobile App Development, as well as Firebase. - The app will be developed for both iOS and Android platform. - I have a Figma design and DB structure. - You should be an individual reliable/honest developer. Agencies will be declined automatically. - You need to sign a NDA to get started. - If you're proficient with all these specifications, you could well be the professional I'm looking for.
Create Gaming Dating Mobile App (Ex.- Hello Yo & Ludo Play Room etc.)
...leads are specifically in the home improvement industry. Your primary responsibility would be making phone calls to these leads, establishing a relationship, and setting up appointments for me. Key Responsibilities: - Follow up with UK-based business leads in the home improvement sector. - Make phone calls to these leads in a friendly, professional manner within 5 minutes of leads being submitted. - Establish a rapport with the leads and qualify them for appointments. Ideal Skills and Experience: - Proven experience in telemarketing, appointment setting or sales. - Familiarity with the UK market and home improvement industry. - Excellent communication skills, specifically over the phone. - Ability to handle objections and turn them into opportunities. - Self-moti...
... welcomes its visitors with the promise of top-tier dental services at a fraction of the cost, we ensure your journey is just as stress-free. From Arizona's doorstep to the world's dental capital, your transit is our command—for an unbeatable $127.77 round-trip. Secure your seat with Touch The Roadz, where affordability meets convenience, and embark on your journey to a brighter smile." The phone number is: +1 (833) 333-6798 The website is I would like the design of the flyer and within the flyer with the teeth and smile. Attached see both examples...
I urgently need a mobile app for travel developed! - The app should be compatible for Android and iOS. - The main goal is to create a platform that supports travel-related services. - The exact features will be discussed later but they will likely include, but not be limited to, features like flight and hotel booking, city guides and maps, language translation and more. - Experience in e-commerce app development will be a plus, as this app will include booking and purchasing functionality. - Ideally, I'm looking for someone who has previously worked on similar travel apps. Please bid only if you can commit to a fast-track development process, as completion of the project is needed ASAP.
...authorized representative, such as line of business, key executives' name, 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) Kepanjen, Malang • Has a camera or phone/tablet of quality with a camera, internet access Please see the attached file for the site visit guideline. 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 be released the following week after the site visit to give us time to organ...
I am looking for a dating application in flutter with admin panel using node js. I don't want to use firebase as the operating cost will become high. So need a solution which will be cost friendly in terms of monthly/yearly operating cost.
...representative, such as line of business, key executives' name, 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) San Fabian, Pangasinan, Philippines • Has a camera or phone/tablet of quality with a camera, internet access Please see the attached file for the site visit guideline. 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 be released the following week after the site visit to give us time ...
Thumbnail for my monetized/commercial/personal use YouTube video
...comprehensive web and mobile application built. This project's goal is to manage service logistics from requesting to delivering. Some key features I need are: - User Management: Implementation of user registration/login, user roles, and permissions, and user profile management are essential. - Service Request Management: An efficient system for creating new service requests and assigning them to specific users or teams. Furthermore, being able to track the status and progress of these service requests is crucial. - Real-time Notifications: The applications should notify users in real-time as changes or updates are made. Advice on the best technologies to use for these functionalities is also needed. Ideal candidates for this job have experience building similar w...
...the script(s) you created for me. The script(s) you create will save the Google search results in a .csv file. That is trivial and straightforward. The script(s) will also open the websites associated with the search results. That is also trivial and straightforward. The main challenge lies in locating and filling out contact forms on these websites with my first name, last name, email address, phone number, etc. Most search results will include a link to the company’s website. For example, when I search on Google for… Jake The Plumber Minneapolis, MN … I see a link to Jake The Plumber’s website. Your script(s) will not submit the forms; rather, I will review each form and then manually submit each myself. In other words, I will click on, for example...
I'm seeking an experienced app developer who can assist me in upgrading the existing mobile application to the latest mobile technology. It has been available on both IOS and Android for 4+ years, and I need the following enhancements: - Upgrade or potentially "lift & shift" existing App to the latest mobile application. - Improve app’s existing feature set, to run as intended: The app has a few feature sets with inconsistencies or tend to be unreliable, which could be found in old technology. Enhancements and overall App should be fine tuned for improved responsiveness, and a better customer experience. - Soften existing UI found within Communications: Modify the content being sent within email communications, with consistent interface ...
