| Field | Key | Data Element | Type | Offset | Leng | Decimals | Check Table | Text |
|---|---|---|---|---|---|---|---|---|
| CTYPE | X | UMK_Y_COMTP | CHAR | 0 | 1 | 0 | Object Type | |
| CHILD | X | UMK_Y_COMP | CHAR | 1 | 30 | 0 | Object Key | |
| OBJVERS | X | UMK_Y_OBJVERS | CHAR | 31 | 1 | 0 | Object Version | |
| REFNO | X | UMK_Y_REFNO | CHAR | 32 | 32 | 0 | Reference Number | |
| PARENT | UMK_Y_COMP | CHAR | 64 | 30 | 0 | Object Key | ||
| PTYPE | UMK_Y_COMTP | CHAR | 94 | 1 | 0 | Object Type | ||
| POSN | UMK_Y_POSITION | CHAR | 96 | 1 | 0 | Position in a Hierarchy |