Creating and Assigning Values to Substitution Variables To create and assign values to substitution variables: Click the Navigator icon . Under Tools, click Variables. Select the Substitution Variables tab. Click Actions, then select Add. On the Add Substitution Variable page, select the Cube. You must select either the Consol cube, or select All Cubes. You cannot select the Rates cube or other enabled cubes. For Name, enter the name of the substitution variable. For Value, enter a value for the substitution variable. Click OK.