| Parameter | Reference | Type | Length | Default | Optional | Text |
|---|---|---|---|---|---|---|
| IS_DATA | ANY | A | 0 | |||
| IV_ACTION | LVC_AUTO_HIERARCHY_CB_ACTION | C | 3 | Callback action | ||
| IV_HIERARCHY_FIELD | FIELDNAME | C | 30 | Field Name | ||
| IV_SELECTED_FIELD | FIELDNAME | C | 30 | Field Name | ||
| IV_STRUCTURE_NAME | TABNAME | C | 30 | Table Name | ||
| IV_TREE_MODE | LVC_AUTO_HIERARCHY_TREE_MODE | C | 3 | Tree Mode |