Adding a Measure Adding a Measure To add a measure, drag a class property from the Class Viewer and drop it onto the Measures label in the Model Viewer. Then make changes if needed in the Details Area.Or do the following: Click Add Element.The system displays a dialog box. For Enter New Item Name, type a measure name.See Names for Model Elements. Click Measure. Click OK. Select the measure in the Model Viewer. Specify the following options, at a minimum: Type — Specifies the measure type, as described in Specifying the Measure Type. Property or Expression — Specifies the source values. See Defining the Source Values for a Dimension or Level and Details for Source Expressions. Aggregate — Specifies how to aggregate the measure values, as described in Specifying How to Aggregate a Measure.