Mesa Iterators allow you to execute the next step in your Automation for each item in a list. If you would like to iterate over sub-item in the payload, enter the key for the field in the Key configuration field. If your payload itself is an array (such as a list of Shopify articles) leave the key field empty.
The above example, from our Send Uploadery File to Google Drive template will call the Google Drive: Save File step for every
fields in the payload sent from the input.