Populate Retell Dynamic Variables with Google Sheets Data for Call Handling

Overview This workflow provides Retell agent builders with a simple way to populate dynamic variables using n8n. The workflow fetches user information from a Google Sheet based on the phone number and sends it back to Retell. It is based on Retell's Inbound Webhook Call. Retell is a service that lets you create Voice Agents that handle voice calls simply, based on a prompt or using a conversational flow builder. Who is it for For builders of Retell's Voice Agents who want to make their agents more personalized. Prerequisites Have a Retell AI Account Create a Retell agent Purchase a phone number and associate it with your agent Create a Google Sheets - for example, make a copy of this one. Yo

Help me set up the n8n workflow "Populate Retell Dynamic Variables with Google Sheets Data for Call Handling" (https://n8n.io/workflows/3385). It uses: Google Sheets. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.