The most common way to run a workflow is automatically via trigger events. However, all workflows can also be triggered manually through Slack and web UI.
Each workflow can also be run through the web UI.First, you’ll need to navigate into a specific incident and select the View Workflow Runs button on the right-hand pane.
That will prompt you with a list of workflows that have already run for the particular incident. You’ll want to select the Trigger Workflow button.
You’ll be presented with a list of workflows to select from. Selecting the Trigger Workflow button will trigger the workflow for the specific incident in reference.