When you create a new CICS® region folder, CICS BAC creates subfolders for each object type under the CICS region folder. Inside the TransIDs subfolder, it automatically places a $Default properties object that is a copy of the default transaction ID object in the Default Properties folder at the time the CICS region folder was created.
The $Default object conveys its own default settings to any new transaction ID objects that you create. It is also used by CICS BAC on the host mainframe computer to set properties whenever it determines it must create a new program object record for an undefined program it encounters that must have an object created for it in the CICS BAC region control file. To change these settings: