HI Jerry,
Generate the Get_P_XXX method for your column and change the FieldType.
Sample Code:
CASE iv_property.
WHEN if_bsp_wd_model_setter_getter=>fp_fieldtype.
rv_value = cl_bsp_dlc_view_descriptor=>field_type_link.
WHEN IF_BSP_WD_MODEL_SETTER_GETTER=>fp_onclick.
rv_value = 'EVENT_NAME'.
"...
ENDCASE.
Regards,
Ankit Gupta