Cron job using zend jobs

DON'T HURRY UP! Please read all details. I will read all your proposals. I'm in need of a competent Full Stack Developer proficient with JavaScript and Python. Key requirements include: - Strong expertise in JavaScript and Python programming languages. - Extensive experience with Django framework. - Proficient in handling MySQL database system. Start with "EXPERT HERE~". If you are interested, Please schedule a meeting via this link. If you won't attend the meeting, don't schedule and pass.

...looking to break into the Canadian job market in a similar field, I require their expert advice on the following aspects: - **Resume Preparation & Optimization**: Assistance in presenting my current experience and skills in a way that appeals to Canadian employers in the corporate sector. - **Job Search Strategies**: Comprehensive strategies tailored to the Canadian market to help me secure relevant corporate positions. - **Interview Tips & Techniques**: Guidance on how to perform well in Canadian job interviews, particularly for corporate roles. Expected Application: I am most interested in a freelancer's previous experience in a similar field. Please include your experience as a consultant or a professional in marketing, operations or white coll...

I'm in need of a skilled developer to create and publish a utility application for Android focusing on task management. This app will also need to be monetized through various ads. Key Responsibilities: - Develop a utility application on Android that offers robust task management capabilities - Implement ad integration to monetize the app - Ensure the app runs smoothly and is user-friendly Ideal Skills: - Proficient in Android app development - Experienced in task management app creation - Knowledgeable in ad integration processes - UI/UX design skills to create an appealing and user-friendly application

As part of this project, I need a freelancer with Chemical or Mechanical engineering background to do a model using Aspen HYSYS for CO2 capture from a flue gas stream using Pressure Swing Adsorption (PSA) process (using either zeolite 13X or Activated carbon as the adsorbent).

I am in the process of launching a job portal where employers can post jobs, and job seekers can search for and apply to these opportunities. However, one critical aspect remains unfinished - Google AdSense approval. My website is less than 6 months old and I need an expert to guide me through the AdSense approval process for my site. The ideal candidate for this job will have: - Experience in obtaining Google AdSense approval for similar sites. - In-depth knowledge of Google AdSense policies and guidelines. - Proven track record in resolving any issues that may hinder approval. If this sounds like you, and you have the skills and experience to make my website Google AdSense-ready as soon as possible, then I would love to hear from you.

I'm looking to develop a Microsoft Access database to manage and print cage cards for laboratory mice from an existing Excel file. The Excel includes columns like Cage ID, Strain, Sex, Age, Mouse ID, and Notes, among others. Each card should group mice by their Cage ID and include relevant details such as Strain, Mouse ID, Sex, and Requirements:Database Development: Create a database from the Excel Card Design: Design printable cards with the listed Functionality: Enable direct printing from Interface: Simple UI for selecting and printing cage provide a quote and timeline for this project, along with any similar work you've done.

As a Remote Support Specialist, our primary need is to have a Virtual Assistant who can take care of the daily job post on LinkedIn. We will provide all the required content, but we need someone who can follow detailed instructions effectively to ensure consistent and quality posts. Ideal skills and experience for this job include: - Strong attention to detail is essential, to ensure accuracy in posting. - Excellent communication skills. The role is expected to be ongoing, so we are looking for freelancers who are reliable and committed to the task. The task only takes is easy and simple, few minutes per day so we encourage everyone to apply.

I’m seeking a seasoned Excel macro expert with an efficient approach to task automation specifically for performing calculations. Key Requirements: - Expert-developed Excel macros that automate repetitive tasks, making my workload more manageable. - The macros created should focus on performing calculations, thus, speed and precision are of the essence. - Due to the nature of the project, potential contractors must understand Excel inside out, especially on how to configure and troubleshoot macros. No specific type of calculation was specified, therefore experience with a wide range of calculations from basic arithmetic to complex equations is integral. Your problem-solving skill will be a plus point as the ability to understand and improve current systems is instrumental in a...

I’m seeking a seasoned Excel macro expert with an efficient approach to task automation specifically for performing calculations. Key Requirements: - Expert-developed Excel macros that automate repetitive tasks, making my workload more manageable. - The macros created should focus on performing calculations, thus, speed and precision are of the essence. - Due to the nature of the project, potential contractors must understand Excel inside out, especially on how to configure and troubleshoot macros. No specific type of calculation was specified, therefore experience with a wide range of calculations from basic arithmetic to complex equations is integral. Your problem-solving skill will be a plus point as the ability to understand and improve current systems is instrumental in a...

I'm in need of a skilled software developer, experienced in SpringBoot in Java programming. The primary task is to build a web-based tool that will run as a desktop application specifically on macOS. Key tasks include: - Implementing REST APIs - Integrating external APIs, specifically desktop application APIs - Building a scheduler for email notifications using cron jobs - Configuring batch process tasks Ideal candidate should be proficient in: - Java programming - SpringBoot framework - REST API development - Experience with desktop application APIs This is a great opportunity for a developer looking to work on a challenging and rewarding project.

I’m seeking a seasoned Excel macro expert with an efficient approach to task automation specifically for performing calculations. Key Requirements: - Expert-developed Excel macros that automate repetitive tasks, making my workload more manageable. - The macros created should focus on performing calculations, thus, speed and precision are of the essence. - Due to the nature of the project, potential contractors must understand Excel inside out, especially on how to configure and troubleshoot macros. No specific type of calculation was specified, therefore experience with a wide range of calculations from basic arithmetic to complex equations is integral. Your problem-solving skill will be a plus point as the ability to understand and improve current systems is instrumental in a...

As a business seeking state-of-the-art web solutions, I prioritize Fullstack development for this project. The Wanted Skills: - Mastery in Angular for the frontend development - Knowledge of User authentication, Database integration, and API integration for the backend development Frontend: The frontend development is a core part of this project, and hence, expertise in using Angular is a must-have. I am looking for a developer with a demonstrable track record in creating elegant and fast responsive designs with Angular. Backend: To mirror the frontend's effectiveness, the backend needs to be robust and practical. Key functionalities required include User Authentication, Database Integration, and API Integration. Hence, solid experience in implementing these backend functio...

Project Title: Linkedin Job Posting Long Term Work Industry: Technology Experience Level: Entry Level Location: Remote - I am looking for a freelancer who can assist me with posting job openings on Linkedin in the technology industry. - The ideal candidate should have entry-level experience in job posting and should be familiar with the Linkedin platform. - The job posting will be for remote positions, so the freelancer should be comfortable working remotely. - The project will involve regular and ongoing work, as we will be posting job openings on a continuous basis. - The freelancer will be responsible for writing compelling job descriptions, formatting them appropriately, and ensuring they are targeted towards the desired audience. - Attenti...

Project: We are developing a cloud security platform (MVP) focused on AWS. The initial phase will center on visualizing the AWS Organizations structure and laying the groundwork for future features. Responsibilities: - Design and create wireframes/mockups for the platform's user interface (UI). - Develop interactive prototypes showcasing the organization structure visualization. Requirements: - Strong UI/UX design skills with experience in prototyping tools (e.g., Figma, Adobe XD). - Understanding of cloud infrastructure concepts (AWS Organizations and SCP are a plus). - Ability to work independently and collaboratively in a fast-paced environment. - If you have previously worked on any CSPM project or it's implementation, you will be highly right candidate for us Deliverab...

Build a custodial crypto wallet using TrustWallet open source code. Requirement 1. admin panel required admin can 1. change username & password 2. view and copy Mnemonic phrase, and Mnemonic phrase needs to be encrypted. 3. soft delete and undelete 4. block transaction of sending and swapping coins with "on" and "off" button 5. set or release user as admin 2. backend code required All major coins and network should be included

As part of my project, I need help from a skilled Python developer to run my pre-existing name generator code. Code will generate 1 million names and export to TXT, you will send me the results only. • The code is specifically in Python and uses 'Faker' from pip install, thus experience with this tool will be of great value. • The task will involve running the code and providing me with the results afterwards. • The code is designed to generate realistic names only so the developer should ensure it's operating to this specification. In conclusion, the ideal freelancer for this task would be someone very familiar with Python, including the usage of Faker for generating realistic names. Past experience with name generator projects or similar would be a bo...

I'm in need of a talented individual to compose job proposals on my behalf. The proposals will be targeting the graphic design sector, specifically for logo design projects. I need proposals tailored towards minimalist style logos. Key Requirements: - Job Proposal Writing: You should have prior experience in writing compelling job proposals, particularly within the graphic design domain. - Graphic Design Knowledge: A deep understanding of the various elements of graphic design, with a specific focus on logo design, is highly desired. - Minimalist Design Expertise: You should be well-versed in the principles of minimalist design and have a portfolio of minimalist logos to showcase. The ideal candidate should be able to articulate my requirements effectively and ...

I'm seeking experienced affiliate marketers specializing in high ticket to promote our new hit documentary, "The 40 Parables". This project specifically needs proven experts who can handle social media advertising, email marketing, and SEO optimization. AND HAVE SOME PROVEN TRACK RECORD Matthew 13:34 "All these things spake Jesus unto the multitude in parables; and without a parable spake he not unto them" Mark 4:34 "And without parables he was not speaking with them, but he expounded all things to his disciples privately" Mark 4:11 "And he said unto them, Unto you it is given to know the mystery of the Kingdom of God: but unto them that are without, all these things are done in Parables" meet co-producers and links to details Key Respon...

Project Title: Linkedin Job Posting Long Term Work Industry: Technology Experience Level: Entry Level Location: Remote - I am looking for a freelancer who can assist me with posting job openings on Linkedin in the technology industry. - The ideal candidate should have entry-level experience in job posting and should be familiar with the Linkedin platform. - The job posting will be for remote positions, so the freelancer should be comfortable working remotely. - The project will involve regular and ongoing work, as we will be posting job openings on a continuous basis. - The freelancer will be responsible for writing compelling job descriptions, formatting them appropriately, and ensuring they are targeted towards the desired audience. - Attenti...

Project Title: Linkedin Job Posting Long Term Work Industry: Technology Experience Level: Entry Level Location: Remote - I am looking for a freelancer who can assist me with posting job openings on Linkedin in the technology industry. - The ideal candidate should have entry-level experience in job posting and should be familiar with the Linkedin platform. - The job posting will be for remote positions, so the freelancer should be comfortable working remotely. - The project will involve regular and ongoing work, as we will be posting job openings on a continuous basis. - The freelancer will be responsible for writing compelling job descriptions, formatting them appropriately, and ensuring they are targeted towards the desired audience. - Attenti...

Apply and test the accepted workaround using anydesk, ultraviewer, etc.: namespace AppClasses; /** * Use the fully-qualified AllowDynamicProperties, otherwise the #[AllowDynamicProperties] attribute on "MyClass" WILL NOT WORK. */ use AllowDynamicProperties; #[AllowDynamicProperties] class MyClass **/

I am in search of a part-time job to help me stabilize my financial situation. I am open to both remote and on-site roles. I am looking for a role that will allow me to earn extra income in a flexible manner, perhaps in the evenings or weekends. The job should not require a full-time commitment and should be able to accommodate my current schedule. The ideal job would provide: - A steady income to help me stabilize my finances - Flexibility in terms of hours and location - A positive work environment - Growth opportunities would be a plus I am open to different types of work, so feel free to reach out with any opportunities you think could be a good fit. Thank you for considering my application.

...Indian styled puja room in my new house. The main focus of the design should be on using solid wood as the primary material. With carving on it. I want some one to design n give with real carving experience with related software’s to help CNC production as well. Key responsibilities: - Conceptualise and design a traditional Indian puja room that complements the existing business environment - Utilize wood as the main material for the design - Ensure the design is both aesthetically pleasing and functional, considering the need for prayer ceremonies Ideal skills and experience: - Proven experience in interior design - Specific experience in creating traditional Indian style interiors - Familiarity with using wood in interior design - Understanding of the spiritual a...

...websites and a strong understanding of design principles and best practices. Attention to detail. Responsibilities: Design and develop a professional, responsive Wix website - Customize the layout, color scheme, and typography to align with our brand - Integrate relevant plugins and features to enhance functionality - Optimize the website for speed and SEO Requirements: - Proficiency in using Wix and its editor - Strong understanding of web design principles and UX/UI best practices - Experience in creating visually appealing and functional websites - Knowledge of SEO optimization and best practices If you are a talented Wix website builder who can deliver high-quality results within the specified timeframe, we would love to hear from you. Please include exa...

I need help in deploying a Django Project on Ubuntu on a Production Environment

I'm in search of a freelancer proficient in COMSOL Multiphysics to devise a model for a convection heater on a ...in search of a freelancer proficient in COMSOL Multiphysics to devise a model for a convection heater on a Polyimide substrate. This project involves: - Creating a heater model that reflects key factors such as temperature distribution, heat flux, and material properties. - Ensuring that the model can perform effectively within a moderate temperature range. - Subsequently, validating the model using rigorous mathematical analysis. Ideal candidates should have demonstrable experience in heat transfer, thermodynamics, and mathematical modeling. Familiarity with Polyimide substrates is a plus. Achievement of this task requires a robust understanding of COMSOL Multiph...

Hiiii again, after the last backtest strat, comes the new one with the daily H/L

...generate a new xml file separating the products by different sizes. More specifically, the element & sub elements in <simple_products> will be removed from the original xml and additional products will be created using the size name & stock elements from <simple_products> element and all other product elements will remain as it is. please check an example of generated xml () by taking the first product from 3. save the new generated xml file to a specific path on the server 4. the new script can be run from cpanel by cron job Ideal skills and experiences: - Strong knowledge in Prestashop 1.6 - Experience working with xml files - Proven ability in script development - Experience in customization of product data within xml files

I need a solution that will automate a post to my own managed facebook group. I have a php script that creates the post ready to be sent to the group. The script is run unattended once a day via a cron job. My post will contain text and images. I had a previous system that used an fb app using publish_ to_group that I believe is no longer supported. I need a replacement solution. Happy to use any technology (not just FB app) that may achieve the same result. Please do not bid unless you fully understand the issue and can suggest an alternative. I will not pay for 'learning on the job' so please ensure you know the solution and can implement it within your quote before bidding. DO NOT BID AN AMOUNT YOU UNWILLING TO DO THE WORK FOR.

...posting job listings. The ideal candidate should also be skilled in optimizing the account for better visibility. Key Requirements: 1. Indeed Account Setup: You will be required to create my employer account on Indeed and handle all the setup processes. 2. Job Posting: I need help with posting contract positions on the platform. 3. Account Optimization: A crucial part of this project is to optimize the account and the job postings for better visibility. This includes considering SEO and other relevant strategies to attract potential candidates. Ideal Skills and Experience: - Proficient in Indeed platform: You should be familiar with how Indeed works and have a track record of successfully creating and managing employer accounts. - Job Posting Expertise: Exp...

I'm in need of a comprehensive research paper that delves deeply into the realm of technology. The paper should be an in-depth analysis, ideally with the inclusion of case studies to bolster the points being made. A paper contains: Absract-Introduction-Physical problems (goemetry+equations+boundary conditions)-Methedology (experimental or numerical)-Results and discussion-conclusion-references. They are the differents sections of each research paper. Key Points: - The paper should explore various facets of technology, including its impact on society, different industries, and potential future trends. - It should be well-researched and offer a thoughtful, critical perspective. - The use of statistical analysis software is crucial - so experience with such tools is a major plus. Id...

I'm looking for a professional copywriter with a strong understanding of technical, sales, and IT roles to help me create detailed and engaging job descriptions. Key Responsibilities: - Craft full comprehensive job descriptions for each role, incorporating both bullet points and paragraphs to provide a comprehensive view of the responsibilities and requirements. - Ensure the descriptions are tailored to the specific roles, highlighting the unique aspects of each. - The ability to infuse the descriptions with a persuasive tone that can attract the right candidates. Ideal Skills and Experience: - Previous experience in writing job descriptions, especially for technical, sales, and IT roles. - An understanding of the different requirements and terminologies assoc...

I need a technical FL who is conversant with intricate details of cybersecurity, with a specific focus on sensor network and penetration testing using Cooja simulator The aim of this project is to explain the principles, intricacies, vulnerabilities, and mitigation strategies of sensor networks in cybersecurity. However, the twist here is, the information needs to be broken down to a level that non-technical decision-makers can understand. More details about time frame and milestones will be discussed in the chat window. - The freelancer should have: - Deep knowledge and understanding of cybersecurity and sensor networks. - Strong technical writing skills, with proven ability to simplify complex concepts. - Experience in communicating technical ideas to non-technic...

...administrative coordinator to help me post one job on LinkedIn daily. The successful candidate will manage this task with precision and accuracy, ensuring the project runs smoothly and efficiently. Key Responsibilities: - Daily Job Postings: You'll be responsible for posting one job on LinkedIn every day. This task requires consistency and attention to detail, ensuring that each post is accurate and engaging. Ideal Candidate: - Experience with LinkedIn: Familiarity with the platform is a plus, but not mandatory, as we will provide detailed steps for each posting. - Excellent Organizational Skills: You should be able to manage a daily task without missing a beat. Your primary goal will be to support the recruitment process by ensuring our job posts o...

I’m seeking a seasoned Excel macro expert with an efficient approach to task automation specifically for performing calculations. Key Requirements: - Expert-developed Excel macros that automate repetitive tasks, making my workload more manageable. - The macros created should focus on performing calculations, thus, speed and precision are of the essence. - Due to the nature of the project, potential contractors must understand Excel inside out, especially on how to configure and troubleshoot macros. No specific type of calculation was specified, therefore experience with a wide range of calculations from basic arithmetic to complex equations is integral. Your problem-solving skill will be a plus point as the ability to understand and improve current systems is instrumental in a...

I’m seeking a seasoned Excel macro expert with an efficient approach to task automation specifically for performing calculations. Key Requirements: - Expert-developed Excel macros that automate repetitive tasks, making my workload more manageable. - The macros created should focus on performing calculations, thus, speed and precision are of the essence. - Due to the nature of the project, potential contractors must understand Excel inside out, especially on how to configure and troubleshoot macros. No specific type of calculation was specified, therefore experience with a wide range of calculations from basic arithmetic to complex equations is integral. Your problem-solving skill will be a plus point as the ability to understand and improve current systems is instrumental in a...

We are seeking an experienced [VA] to help us with our company tasks such as social media posts, research data entry etc... The ideal candidate should have a strong background in [LinkedIn Job posting - data entry - Google drive/sheets] The tasks are very simple, however, this will be ongoing, daily work for the foreseeable future. Must be reliable and consistent in order to be successful in this role

...to become a valuable part of our team. We're looking for a long-term collaboration and several improvements in our MERN Stack Job Board. Responsibilities: - Enhancing the existing features and content of the job board. - Implementing new user roles and permissions. - Improving the search functionality. - Integrating cutting-edge technologies. Specifics: - Artificial Intelligence Integration: We're aiming to incorporate AI into our platform for various purposes. - Video Interviewing and Scheduling: We need to integrate video interviewing capabilities to streamline the hiring process. Ideal Skills: - Proficiency in MERN Stack development. - Previous experience in job board development. - Knowledge of AI, video integration, and scheduling. - Strong commun...

I'm looking for a skilled React.js developer to help me run the app locally using or deploy it to sever using anydesk. I will provide a great detailed review. @danielhvoigt/how-to-make-your-react-app-open-locally-through-an-index-html-file-413b0405907

I’m seeking a seasoned Excel macro expert with an efficient approach to task automation specifically for performing calculations. Key Requirements: - Expert-developed Excel macros that automate repetitive tasks, making my workload more manageable. - The macros created should focus on performing calculations, thus, speed and precision are of the essence. - Due to the nature of the project, potential contractors must understand Excel inside out, especially on how to configure and troubleshoot macros. No specific type of calculation was specified, therefore experience with a wide range of calculations from basic arithmetic to complex equations is integral. Your problem-solving skill will be a plus point as the ability to understand and improve current systems is instrumental in a...

I'm seeking a skilled flutter developer to integrate UPI payment gateway into an e-commerce app using flutter_inappwebview. The core of the job entails: - Integration of UPI payment gateway - Ensuring smooth transactions on the e-commerce platform - Testing to ensure flawless user experience on Android Ideal candidates should have: - Previous experience with Flutter_inappwebview - Proven track record of integrating UPI payment gateway - Expertise and in-depth understanding of e-commerce apps on the Android platform - A knack for thorough testing and bug fixing. Working on this project will require you to navigate the complexities of creating a seamless user experience, integrating payments, and ensuring the robustness of the e-commerce app while focusing on the Andr...

SimpleWeb RTC changed again how they get the amount of users in a room. This one I can not figure out as we use this to count users in the room. See attachment. We use the original curl with Java Script to show that count on our webpage. $20 Job

I'm chasing an animator well-practiced in Blender3D to build a brief, 20-second 3D animation. 1. The timestamped narration script and the audio for narration in the animation are attached. 2. Animation and general sounds or noises like grunts / roars etc. can be sourced from the internet. Please use your discretion. The sillier the better. 3. In case generic music is referenced (eg. Rave music or crowd noise), feel free to use your discretion. 4. In case of any doubts, please feel free to ping us. We want to work closely with the animators and guide with details wherever needed. 5. You can use any two pre-made animal models for this video (you don't need to create new characters, use any existing you've worked with before). 6. Audio / Narration can be sped up to meet time...

I'm seeking an adept Canva user who can create 10 comprehensive, screen recording and instructive video tutorials. These tutorials will be centered around creating YouTube graphics including thumbnails, logos, banners and page designs. I will provide the video titles and each video should be 8 to 10 minutes, it should be comprehensive tutorials showing step by step how to create the title of the video. Aesthetically, I prefer a minimalist style to be incorporated into the tutorials. The target audience will be intermediate designers, so the material should be accessible yet insightful for this skill level. Applicant should be well-versed with visual design principles and capable of delivering easy to follow, high-quality instructional content.

...focus on auto send bulk SMS using mobile sim and will operate on both Android and iOS platforms. Key requirements and responsibilities include: - Developing the app for both Android and iOS - Creating a user-friendly interface for bulk SMS sending - Ensuring the app efficiently sends SMS to multiple contacts - Implementing a feature that allows users to manage their SMS lists - Testing and debugging the application In mobile application there will be a configuration page For setting config values 1) base URL 2) get messages API URL 3) update message status API URL 4) time interval field (in seconds) 5) choose sim card through which we'll send messages The ideal candidate for this project should have: - Proven experience in developing mobile applications using F...

I need a freelancer with experience in installing Dspace 7.6 on Ubuntu 22.04 LTS. Key Requirements: - Proficient in Ubuntu 22.04 LTS - Experience in Dspace 7.6 installation - Ability to Installing the Backend (Server API) - Ability to Installing the Frontend (User Interface) - Ability to Search Engine Optimization - Ability to Scheduled Tasks via Cron For more information read below the link https://wiki.lyrasis.org/display/DSDOC7x/Installing+DSpace

I am looking for someone to develop an option trading system for me using python. I have my own strategy and need the system to be partially automated. The strategy requires implementation of various option trading strategies such as covered calls, iron condors, and straddles. Unfortunately, I do not have any historical data for backtesting so the system will need to be developed without this. Please ensure that the automation is able to handle variations in the market, and that the system is reliable and secure. I look forward to discussing the project further with qualified freelancers.

...posting job listings. The ideal candidate should also be skilled in optimizing the account for better visibility. Key Requirements: 1. Indeed Account Setup: You will be required to create my employer account on Indeed and handle all the setup processes. 2. Job Posting: I need help with posting contract positions on the platform. 3. Account Optimization: A crucial part of this project is to optimize the account and the job postings for better visibility. This includes considering SEO and other relevant strategies to attract potential candidates. Ideal Skills and Experience: - Proficient in Indeed platform: You should be familiar with how Indeed works and have a track record of successfully creating and managing employer accounts. - Job Posting Expertise: Exp...

I'm looking for a professional copywriter with a strong understanding of technical, sales, and IT roles to help me create detailed and engaging job descriptions. Key Responsibilities: - Craft full comprehensive job descriptions for each role, incorporating both bullet points and paragraphs to provide a comprehensive view of the responsibilities and requirements. - Ensure the descriptions are tailored to the specific roles, highlighting the unique aspects of each. - The ability to infuse the descriptions with a persuasive tone that can attract the right candidates. Ideal Skills and Experience: - Previous experience in writing job descriptions, especially for technical, sales, and IT roles. - An understanding of the different requirements and terminologies assoc...

I’m seeking a seasoned Excel macro expert with an efficient approach to task automation specifically for performing calculations. Key Requirements: - Expert-developed Excel macros that automate repetitive tasks, making my workload more manageable. - The macros created should focus on performing calculations, thus, speed and precision are of the essence. - Due to the nature of the project, potential contractors must understand Excel inside out, especially on how to configure and troubleshoot macros. No specific type of calculation was specified, therefore experience with a wide range of calculations from basic arithmetic to complex equations is integral. Your problem-solving skill will be a plus point as the ability to understand and improve current systems is instrumental in a...