Demo function group LZDEMO_ABAP_FUGRTOP SAPLZDEMO_ABAP_FUGR ZDEMO_ABAP_DELETE_FU 1 Demo update function module ZDEMO_ABAP_LOG_FU 1 Demo update function module LOG ZCL_DEMO_ABAP_SAP_LUW_HELPER=>LOG_TYPE CAUSE_ERROR ABAP_FALSE X ABAP_BOOL LOG P CAUSE_ERROR P ZDEMO_ABAP_MODIFY_FU 1 Demo update function module VALUES ZDEMO_ABAP_LUW_T VALUES P