Supported application program environments

The types of automated operator (AO) applications that can issue GU, GN, CMD, and GCMD calls are listed by IMS environment.

Table 1. GU, GN, CMD, and GCMD call support by application region type
Application region type	IMS environment
Application region type	DBCTL	DB/DC	DCCTL
DRA thread	No	No	N/A
BMP (non-message-driven)	No	No	No
BMP (message-driven)	N/A	Yes	Yes
MPP	N/A	Yes	Yes
IFP	N/A	No	No