The LMPRINT service prints to the ISPF list data set an entire sequential or partitioned data set, certain specified members of a partitioned data set, or an index listing for a partitioned data set. The INDEX parameter can be used with fixed, variable, or undefined record formats. If the INDEX parameter is not used, the data set to be printed must be fixed or variable record format. Completion of the LMINIT service is required before you invoke LMPRINT.