When an action is executed during a runbook run, a connection can automatically be made to an external service.
For each step in your runbook, add a new action and select the application with which you'd like your runbook to connect, as shown below.
When you have selected an application, go to Settings > Connectors to configure the connector between the application and Transposit.
For example, if you select "Create a Zoom meeting" in the catalog, as shown below...
...make sure to go to Settings > Connectors to configure the authorization settings needed by Transposit to interact with Zoom, as shown below.