SET (UID) Sets the User Interface Definition (UID) file or files to be used with TPU. A UID file contains widget definitions that are used by the Resource Manager. Syntax SET (UID, filespec, [filespec...]) Parameter filespec A string that is the name of a UID file to be used with TPU. You must specify at least one file name, and you may specify more than one. No default file specification is applied to the string you specify. Example The following statement designates the User Interface Definition (UID) file MYNODE$DUA0:[SMITH]EXAMPLE.UID as a file to be used with TPU to create widgets needed by the layered application: example_hierarchy := SET (UID, "mynode$dua0:[smith]example.uid");