Unlocks a locked object. Only the user who has
locked the object and the system user may unlock an object. The
parameter array contains the required element
'objectIdentifier' and the optional parameters 'mode' and
'objectquery'. The meaning of 'mode' is the same as in function
hwapi_lock()
.
Returns
TRUE
on success or an object of class HW_API_Error.
See also
hwapi_lock()
.