The trigger is what starts your flow. Each flow requires exactly one trigger.
For more details about trigger types, see Triggers.
In the flow builder, select Add Trigger.
2. In the Edit Trigger window, select a Trigger Type from the dropdown list and enter values in the fields. See Triggers for more details.
3. Select Save and Deploy to Staging, or select the arrow and Save Draft Version.
Next you can continue setting up your flow by adding Flow Steps.