| Parameter Name | Units | Type | Default | Description |
| BETAX |  |
double | 1 | horizontal beta function |
| BETAY | |
double | 1 | vertical beta function |
| ALPHAX | double | 0.0 | horizontal alpha function | |
| ALPHAY | double | 0.0 | vertical alpha function | |
| FROM_BEAM | long | 0 |
compute correction from tracked beam properties instead of Twiss parameters? | |
| ONCE_ONLY | long | 0 |
compute correction only for first beam or input twiss parameters, apply to all? |