This tool allows you to create an expression profile legend on the report or cell types. It is found on the Insert tab of the ribbon, as well as the toolbar for the report and cell type.
Once the tool is selected, click and drag on the report or cell type to create the object. Double-click the object to edit its properties.
The expression profile legend is associated with a selected cell type when it is created. The legend shows the color of each measurement used in the cell type, along with other useful information about the measurement.