Actions for Alerts 
You can use actions to trigger alerts when something unexpected or potentially damaging for your enterprise occurs in your sales process. For example, if a contract of high value is cancelled without warning, or an important opportunity is suddenly lost, an alert can be triggered so that the responsible party is notified, helping speed up the processing of critical situations.
Actions for alerts are used in combination with Alert Management.
In order to use Alert Management in CRM applications, you first need to carry out several steps. More information on the necessary steps can be found in the release note Using Actions to Trigger Alerts, and in the Implementation Guide under Customizing for Customer Relationship Management (CRM) , by choosing