Geoff Chappell - Software Analyst
Specifies IDL 'retval' attribute
[ define_attribute = "retval", required_attributes = "out", invalid_attributes = "in", help_string = "Specifies IDL 'retval' attribute", usage = eIDLModuleUsage | eInterfaceMethodUsage | eInterfaceParameterUsage, group = eIDLGroup, shipping = "true" ];