A conditional action is an action linked to another condition. This creates further layers with conditions.
Click on +Add new action > Add a conditional action.
The result is a simple action and a conditional action:
Optional, if the simple action is not required: Delete the simple action by clicking on the three-dot menu > Delete.
Configure the conditional action by first selecting the condition and then the action.
💡You want to know which actions you can set? Note the related articles.