| Count | Counts the defined UCSs |
| Remove | Removes a UCS object from the UCSs collection |
| Property | Data Type | Description |
|
| UCSName | String | UCS name |
| X0 | Single | X coordinate of UCS's origin in drawing units |
| Y0 | Single | Y coordinate of UCS's origin in drawing units |
| Z0 | Single | Z coordinate of UCS's origin in drawing units |
| X1 | Single | X coordinate of UCS's X-axis direction in drawing units |
| X2 | Single | X coordinate of UCS's Y-axis direction in drawing units |
| Y1 | Single | Y coordinate of UCS's X-axis direction in drawing units |
| Y2 | Single | Y coordinate of UCS's Y-axis direction in drawing units |
| Z1 | Single | Z coordinate of UCS's X-axis direction in drawing units |
| Z2 | Single | Z coordinate of UCS's Y-axis direction in drawing units |
| Handle | String | Handle |
| Flag | Integer | Standard flag values |