$WBRINC is available for use with all WBSP commands.
includefilename - full path and file name of the file that should be included. Included file can NOT contain <!--WB_BeginDetail--> and <!--WB_EndDetail--> comments.
Source code of the file includefilename. If source code contains <body> and </body> tags, function will include only the source code between these tags.
After running this example, the resulting page in web browser may look like this: