*XDIM_REQUIRED 
Allowed uses: Global, MDX, SQL
*XDIM_REQUIRED={DIMNAME}[,{dimname}]
Sets dimensions that are required in order for the rules to run from a Data Manager package. If the specified dimensions are not passed to the rules from a package, then an error message is generated.
Example
*XDIM_REQUIRED=CATEGORY, TIME
If no selection is passed for any of the required dimensions, the rule fails and displays an error message.