| BaseTransformAttribute |
| Angles | Internal name of the key to store angles in, allows the helper to be rotated. |
| Attachment | Internal name of the key that dictates which attachment to use as parent for position/angles. |
| Bone | Internal name of the key that dictates which bone to use as parent for position/angles. |
| Origin | Internal name of the key to store position in, if set, allows the helper to be moved. |
| AddTransform |