The Reuse Library contains libraries or products.
Each product is a set of references to documentation or Repository objects. It is made up of:
Libraries and products are transportable objects (connected to the Change and Transport System).
ZZMY_SE83: This is a parameter transaction that calls the transaction SE83_START using Skip first screen and specifying the libraries to be displayed as follows:
P_LIB1 = MY_LIBRARY1, P_LIB2 = ...; ..., P_LIBn = ...