Does anyone know how to trigger an EPDM addin from a SolidWorks addin?

I have a SolidWorks addin that populates certain SolidWorks custom property values.  These values are then populated in the EPDM datacard automatically out of the box.  Ideally, I'd like to hook into the process when the datacard is populated, but I can't seem to figure out how to do this.  I tried hook into the "EdmCmd_CardInput", but that action only seems to be triggered from the datacard directly, not when SolidWorks and EPDM are linking the datacard.  I'd settle for a way to trigger an EPDM addin directly from a SolidWorks addin.  Any other suggestions would be appreciated as well.

Thanks.