&ZAPPCCSI

Indicates whether an APPC conversation is a client or server conversation.

CLIENT conversations are those that have been initiated remotely.

SERVER conversations are those that have been initiated locally using an &APPC ALLOCATE, &APPC ATTACH, or &APPC CONNECT statement.

Example: &ZAPPCCSI

&IF &ZAPPCCSI EQ CLIENT &THEN +
   &DO
   &APPC RECEIVE VARS=DATA
   .
   .
   .