Alert via Gmail when a great lead submits form with MadKudu and Hunter

Use case If you have a form where potential leads reach out, then you probably want to analyze those leads and send a notification if certain requirements are met, e.g. employee number is high enough. MadKudu is built exactly to solve this problem. We use it along with Hunter and Gmail to get an email alert for high quality leads. How to setup Add you MadKudu, Hunter, and Gmail credentials Set the email to send to Click the Test Workflow button, enter your email and check your email Activate the workflow and use the form trigger production URL to collect your leads in a smart way How to adjust this template You may want to raise or lower the threshold for your leads, as you see fit.

Help me set up the n8n workflow "Alert via Gmail when a great lead submits form with MadKudu and Hunter" (https://n8n.io/workflows/2120). It uses: HTTP Request, Hunter, Gmail. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.