Form with Dynamic Dropdown Field

This workflow creates a customizable form with a dynamic dropdown field that automatically updates its options from an external data source. How it works The workflow polls an external data source (Google Sheets in this example) at regular intervals New values are processed and formatted for the dropdown The form automatically updates with the new dropdown options Set up steps Configure your data source: Default setup uses Google Sheets replace with credentials for your sheet set up the update frequency Or modify to use any other data source (API, database, etc.) Adjust the form configuration: Customize the form title and description Add or modify form fields as needed The template includes

Help me set up the n8n workflow "Form with Dynamic Dropdown Field" (https://n8n.io/workflows/2712). It uses: Google Sheets, Code. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.