&ZAPPCSYN

Returns a character string, equivalent to that of the SYNC_LEVEL parameter of the LU6.2 MC_GET_ATTRIBUTES verb.

&ZAPPCSYN returns a character string, equivalent to that of the SYNC_LEVEL parameter of the LU6.2 MC_GET_ATTRIBUTES verb, and contains one of the following values:

NONE
CONFIRM

This system variable indicates the SYNC_LEVEL with which the conversation was started. A value of NONE means that the &APPC CONFIRM and CONFIRMED requests, the PREPARE_TO_RECEIVE TYPE=CONFIRM request, and the DEALLOCATE TYPE=CONFIRM request cannot be used.

Example: &ZAPPCSYN

&IF &ZAPPCSYN EQ CONFIRM &THEN +
  &GOSUB .CONF