When the 'Rule criteria' meet depend on 'Evaluation Criteria' in Workflow the appropriate flow actions to be fired. It has four types
1. Email alert
2. Field update
3. Create Task
4. Outbound message
For example: If you created Expiry date(date field), Status(picklist field). the workaround when the expiry date field meet '5/8/2012' the status field automatically update to "Expired". In this 'field update' action can do by workflow action.
When the 'Rule criteria' meet depend on 'Evaluation Criteria' in Workflow the appropriate flow actions to be fired. It has four types
1. Email alert
2. Field update
3. Create Task
4. Outbound message
For example: If you created Expiry date(date field), Status(picklist field). the workaround when the expiry date field meet '5/8/2012' the status field automatically update to "Expired". In this 'field update' action can do by workflow action.