KSC Open API  13.1
Kaspersky Security Center API description
GroupTaskControlApi::RestoreTaskFromRevision ( long  nObjId,
int  nRevision 
)

Restore task from revision.

Rolls back the group/set task specified by nObjId to the revision nRevision.

Parameters:
nObjId[in] (long) Task identity.
nRevision[in] (int) Task revision id, value cannot be zero.
Note:
ExtAud interface allow you to get a revision of an object and update description.