• Select a custom app from the browse apps modal
• Select or add an account in the sidebar
• Click on Connect Recipe
• In the first step, edit the inputs and outputs for the action
• In the third step, choose the app action and supply the inputs as needed
• In the fourth step, map the outputs you want sent back
• Save the recipe and exit the modal
• The input and output variables can be used in the workflow or template now

Please contact support if you have additional questions