Collaboration Developer's Guide Getting Involved Concepts of Collaboration Working with the Development Environment Specifying the Dependencies of a Collaboration Dev. Component Starting a Collaboration Development Project Deploying the Development Component Core Development Tasks Developing Persistency Connecting a Company-specific Backend System via Room Extensions PCD Content Objects for Rooms Using Connectivity and Interoperability Applying Extensibility Room Extensions Room Extensions - Design Time Room Extensions - Run Time Extension Points and Context Specialities in Collaboration Transport of Room and Room Part Templates Ensuring Quality Testing