Add an Assign Activity to the Catch Activity Branch To add an assign activity to the catch activity branch: Drag an assign activity into the catch activity block. Double-click the assign activity. Concatenate the code, summary, and detail fields of the FaultVar variable to the FaultResponse variable, and click OK. Figure 12-7 provides details. Figure 12-7 Edit Assign DialogDescription of "Figure 12-7 Edit Assign Dialog" In the Name field of the General tab, enter a name (for this example, FaultDataForClient).