Use the SAP Mobile Platform Client Object API Javadocs as a Client Object API reference.
Review the reference details in the Client Object API documentation, located in SMP_HOME\MobileSDK23\ObjectAPI\apidoc.
There is a subdirectory for rim.
From the index.html file, the top-left navigation pane lists all packages installed with SAP Mobile Platform. The applicable documentation is available with each package. Click this link and navigate through the Javadoc.