The purpose is to automatically set the Variable to the whole sessionThe only way is declaring some HV_<VARIABLE>The header uproc then declare inheritance variable <VARIABLE> to the whole sessionYou can set to read-only the header by doing a CLEXT and set the value to${UNI_DIR_NODEFILES}/TPL_UnixHeaderWithInheritanceVariables.clintor for powershell:%UNI_DIR_NODEFILES%\TPL_PSHeaderWithInheritanceVariables.clint