Creating additional sub functional areas Create additional sub functional area under an existing level as follows: On the Function Area Definition tab select the sub functional area under which the new level should be created. Click Add new sub functional area. In the resulting dialog box enter a name for the sub functional area in the Name field. Assign a variable to this sub functional area. Click Browse for a list of available variables. Select the variable required and click Done. The new sub functional area will be added below the already existing sub functional area. Note: A maximum of 5 levels of sub-functional areas may be added.