Within the Workflow builder, the “Contact Changed” workflow trigger allows you to automate actions when a contact record is modified. You can trigger events in a Workflow when a contact record is changed based on the following items: 

• Tags being added
• Tags being removed
• DND being activated or removed
• Contact being assigned to a user, or reassigned to a user
• Custom field being populated
• Custom field changing to something specific

Follow these simple steps to use this Workflow Trigger:

1. In the Workflow, click to add a Trigger.
2. Choose “Contact Changed” as the Workflow Trigger.
3. Select a filter from the dropdown menu.
4. Save Trigger to add to the Workflow.