Pre-requisites:
'Admin' permission on the project template where a workflow trigger needs to be created.
Below are the steps to create a workflow trigger for custom objects in a project template:
1. Navigate to the 'Workflows' tab and select the project template.
2. Click the 'Create Trigger' button to set up a trigger event.
Alternately, right-click the project name and select the 'Create Trigger' option.
3. Follow the steps to create a workflow trigger for custom objects in a project (step 3).
4. Click 'Create' to create a workflow trigger.
Next Article: Left-Hand Menu Options in the 'Workflows' tab