...
[in] An optional client-side HostID, in the format type=value (for example, HOSTNAME=my_hostname). This value should be NULL if not relevant. See your license manager documentation for valid HostID types. (For LM-X license manager, see the LM-X Developers Manual.) You may also use a comma-separated list of multiple HostIDs, in from which case LAC will select the first appropriate value.
...