IDA019RM
IDA019RM is a CSECT within load module IDA019L1. IDA019R4 (VSAM KEYED/ADDRESSED REQUEST DRIVER) invokes this module to insert records in KSDS, ESDS, and variable length RRDS files. IDA019RM inserts the record into the buffer at a previously determined insertion point. It also builds the record's record definition field (RDF).
Reference Sources
MVS/Extended Architecture: Virtual Storage Access Method (VSAM) Logic, LY26-3970.