Generate Weekly Meta Ads Report with GPT-4 Insights and Slack Delivery

What this workflow does Runs automatically every Monday morning at 8 AM Collects your Meta Ads data from the last 7 days for a given account (date range is configurable) Formats the data, aggregating it at the campaign, ad set, and ad levels Generates AI-driven analysis and insights on your results, providing actionable recommendations Renders the report as a visually appealing PDF with charts and tables Sends the report via Slack (you can also add email or WhatsApp) A sample for the first page of the report: Setup Guide Create an account of pdf noodle and use the pre-made Meta Ads template. Connect Meta Ads, OpenAI and Slack to n8n Set your Ad Account Id and date range (choose from 'last7d'

Help me set up the n8n workflow "Generate Weekly Meta Ads Report with GPT-4 Insights and Slack Delivery" (https://n8n.io/workflows/5386). It uses: HTTP Request, Slack, Code, AI Agent, OpenAI Chat Model, Structured Output Parser. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.