GPT "Power BI Custom Visual Assistant"

`/select-tool`: This command now extends beyond choosing suitable tools for custom visual development. Provide a keyword or phrase describing your Power BI visual, and the assistant will recommend the top three most relevant tools from the knowledge base. It will also suggest an initial structure for your visual tailored to the provided description, ensuring alignment with your development needs and objectives.

`/workflow-detail` - ```python telemetry = {     "🗺️": "Enhance the development workflow guide for Power BI custom visuals with additional details and best practices.",     "🔧": "Incorporate detailed tool usage, version control, error handling, security practices, performance metrics, user testing, accessibility, advanced examples, and community engagement.",     "🔄": "Initial state: Comprehensive guide provided with foundational steps and code examples.",     "🤔": "Expand on each section to provide practical insights and advanced learning resources.",     "🔍": "Add enhancements in structured sections and supplement with new examples and guidelines.",     "🧠": "Expertise in Power BI custom visuals development, best practices, and community engagement." }  🧭: Here are the enhancements to make the development workflow guide for Power BI custom visuals even more comprehensive and practical:  ### Enhancements for Completeness and Clarity  1. **Expand on Tool Usage:**    - Provide detailed examples of using Adobe XD and Figma for Power BI visuals. Here's a simple layout example:  ```markdown ### Example: Creating a Layout in Figma  1. Open Figma and create a new project. 2. Design a simple dashboard layout with placeholders for charts and data tables. 3. Use the Rectangle tool to create sections for the visual elements. 4. Add text labels and icons to indicate where data visualizations will be placed. 5. Share the design with your team for feedback and iteration.  ![Figma Example](https://example.com/figma-layout.png) ```  2. **Include Version Control Practices:**    - Introduce best practices for version control using Git:  ```markdown ### Version Control Best Practices  1. **Initialize a Git Repository:**    ```bash    git init    ``` 2. **Create and Manage Branches:**    ```bash    git checkout -b feature/initial-setup    ``` 3. **Commit Changes Regularly:**    ```bash    git add .    git commit -m "Initial project setup"    ``` 4. **Merge and Resolve Conflicts:**    ```bash    git checkout main    git merge feature/initial-setup    ``` 5. **Pull Requests and Code Reviews:**    - Use platforms like GitHub or GitLab to create pull requests and conduct code reviews. ```  3. **Detailed Error Handling:**    - Expand error handling sections with common issues and troubleshooting tips:  ```markdown ### Error Handling in API Integration  1. **Common Errors and Solutions:**    - **401 Unauthorized:** Check API keys and permissions.    - **404 Not Found:** Verify endpoint URLs.    - **500 Internal Server Error:** Handle server-side issues gracefully.  2. **Example: Error Handling with Axios**    ```typescript    import axios from 'axios';     const fetchData = async (apiUrl: string) => {      try {        const response = await axios.get(apiUrl, { headers: { 'Authorization': 'Bearer YOUR_API_KEY' } });        console.log(response.data);      } catch (error) {        if (error.response) {          // Server responded with a status other than 200 range          console.error('Error response:', error.response.data);        } else if (error.request) {          // Request was made but no response          console.error('Error request:', error.request);        } else {          // Something else happened          console.error('Error message:', error.message);        }      }    };     fetchData('https://api.example.com/data');    ``` ```  4. **Security Best Practices:**    - Discuss securing API keys, avoiding security pitfalls, and conducting audits:  ```markdown ### Advanced Security Best Practices  1. **Securing API Keys:**    - Use environment variables to store API keys securely.    ```bash    export API_KEY=your_api_key    ```  2. **Avoiding Common Security Pitfalls:**    - Validate all inputs to prevent SQL injection and XSS attacks.    - Use libraries like `helmet` in Node.js for setting HTTP headers.  3. **Security Audits:**    - Regularly conduct security audits using tools like OWASP ZAP or Nessus.    ```  5. **Performance Metrics:**    - Suggest performance metrics to monitor:  ```markdown ### Performance Metrics for Custom Visuals  1. **Load Time:**    - Measure the time taken for the visual to load and render.  2. **Data Fetching Efficiency:**    - Monitor the number of API calls and data fetching time.  3. **Rendering Performance:**    - Use browser dev tools to analyze rendering performance and memory usage.  4. **User Interaction Latency:**    - Measure the delay in response to user interactions.    ```  6. **User Testing and UX Feedback:**    - Detail methods for user testing and gathering feedback:  ```markdown ### User Testing and UX Feedback  1. **Conducting User Testing:**    - Use tools like UserTesting or Maze for remote user testing.    - Prepare a set of tasks for users to complete and observe their interactions.  2. **Gathering and Interpreting Feedback:**    - Collect feedback through surveys and direct interviews.    - Use analytics tools to track user behavior and identify pain points.  3. **Making Actionable Improvements:**    - Prioritize feedback based on impact and feasibility.    - Implement changes iteratively and test their effectiveness.    ```  7. **Accessibility Considerations:**    - Provide guidelines and tools for accessibility:  ```markdown ### Accessibility Guidelines  1. **Color Contrast:**    - Ensure sufficient color contrast using tools like Contrast Checker.  2. **Keyboard Navigation:**    - Test and ensure all interactive elements are accessible via keyboard.  3. **Screen Reader Compatibility:**    - Use ARIA roles and labels to make visuals compatible with screen readers.  4. **Accessibility Testing Tools:**    - Utilize tools like Axe or Wave for comprehensive accessibility testing.    ```  ### Additional Code Examples  #### Interactive Elements with D3.js ```typescript import * as d3 from 'd3';  const createInteractiveChart = (data) => {   const svg = d3.select('svg');   const margin = { top: 20, right: 30, bottom: 40, left: 40 };   const width = +svg.attr('width') - margin.left - margin.right;   const height = +svg.attr('height') - margin.top - margin.bottom;    const x = d3.scaleBand().rangeRound([0, width]).padding(0.1);   const y = d3.scaleLinear().rangeRound([height, 0]);    const g = svg.append('g').attr('transform', `translate(${margin.left},${margin.top})`);    x.domain(data.map(d => d.name));   y.domain([0, d3.max(data, d => d.value)]);    g.append('g')     .attr('class', 'axis axis--x')     .attr('transform', `translate(0,${height})`)     .call(d3.axisBottom(x));    g.append('g')     .attr('class', 'axis axis--y')     .call(d3.axisLeft(y).ticks(10, '%'))     .append('text')     .attr('class', 'axis-title')     .attr('y', 6)     .attr('dy', '0.71em')     .attr('text-anchor', 'end')     .text('Frequency');    g.selectAll('.bar')     .data(data)     .enter().append('rect')     .attr('class', 'bar')     .attr('x', d => x(d.name))     .attr('y', d => y(d.value))     .attr('width', x.bandwidth())     .attr('height', d => height - y(d.value))     .on('mouseover', function (event, d) {       d3.select(this).style('fill', 'orange');     })     .on('mouseout', function (event, d) {       d3.select(this).style('fill', 'steelblue');     }); };  const exampleData = [   { name: 'A', value: 0.3 },   { name: 'B', value: 0.8 },   { name: 'C', value: 0.45 }, ];  createInteractiveChart(exampleData); ```  #### Advanced API Integration ```typescript import axios from 'axios';  const fetchPaginatedData = async (apiUrl: string, page: number = 1, pageSize: number = 50) => {   try {     const response = await axios.get(apiUrl, {       params: { page, pageSize },       headers: { 'Authorization': 'Bearer YOUR_API_KEY' },     });     const data = response.data;     console.log(`Page ${page}`, data);      if (data.hasNextPage) {       await fetchPaginatedData(apiUrl, page + 1, pageSize);     }   } catch (error) {     console.error('Error fetching data:', error);   } };  fetchPaginatedData('https://api.example.com/data'); ```  ### Conclusion Enhancement  #### Path for Advanced Learning ```markdown ### Advanced Learning Resources  1. **Online Courses:**    - [edX Power BI Courses](https://www.edx.org/learn/power-bi)    - [Coursera Data Visualization](https://www.coursera.org/learn/data-visualization)  2. **Certifications:**    - Microsoft Certified: Data Analyst Associate    - Certified Power BI Developer  3. **Conferences and Webinars:**    - Microsoft Business Applications Summit    - Power BI World Tour ```  #### Community Engagement ```markdown ### Community Engagement  1. **Join   Power BI Community:**    - [Power BI Community Forums](https://community.powerbi.com/)  2. **Participate in Discussions:**    - Engage in discussions and share your experiences.  3. **Contribute to Development Challenges:**    - Participate in Power BI challenges and hackathons.  4. **User Groups and Meetups:**    - Join local Power BI user groups and attend meetups for networking and learning. ```  By integrating these enhancements, the guide will be more comprehensive, practical, and valuable for developers at all levels. This will ensure a more complete learning experience and provide actionable insights for creating robust and efficient Power BI custom visuals. ```

`/file-backup` - "What steps should I follow to back up my Power BI custom visual project files using the Token Handler Tool?"

`/command-guide` - "Can you provide me with the command guide for Power BI Custom Visual Assistant? I need a comprehensive list of commands and their descriptions for assistance in my Power BI custom visual development."