The Broadcast messages (BCM) is a new feature that gives portal administrators the ability to broadcast messages to end users in a defined time frame. It also gives the ability to assign a message to certain groups or roles with priority (high/normal).
Prerequisites:
You have installed SAP NetWeaver Portal (EP) 7.31 SP11 or above.
Note: the original text of this blog was removed.
We recommend to read the following blogs to get the updated information:
Using the broadcast messaging (BCM) client side API
New Development: Broadcast Messages in SAP NetWeaver Portal