SAP Function Module search on CTCU_
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CTCU_ATINN_USED_IN_GROUP - Shows whether characteristic is used in a group
CTCU_CONTROL - Load Control of Classification Screen Design
CTCU_CUSTOMIZING - Customizing
CTCU_CUSTOMIZING_DELETE_CLINT -
CTCU_CUSTOMIZING_UDEF_TYPE - Customizing
CTCU_DELETE_ATINN_FROM_GROUPS -
CTCU_DISPLAY_GROUPS - Display all chars groups
CTCU_ENTER_VALUES -
CTCU_GET_CHARACTERISTICS -
CTCU_GET_GROUPS - Reading the Screen Design Groups with Characteristics
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