CLIENT_APPTOKEN global variable

This built-in global variable contains the application identification token (or apptoken) of the current client, as returned by a callback function on connect.

This global variable has the following characteristics:
  • It is read-only, with values maintained by system.
  • The type is VARBINARY(32672).
  • The schema is SYSIBM.
  • The scope of this global variable is session.

If no apptoken was generated, the value of the CLIENT_APPTOKEN global variable is NULL. The value is only available to the TRUST PROCEDURE and is NULL after the trust procedure is evaluated.