| Parameter Name | Units | Type | Default | Description |
| COUPLING | double | 1 | x-y coupling | |
| FACTOR | double | 1 | factor by which to multiply growth rates before using | |
| CHARGE |  |
double | 0.0 | beam charge (or use CHARGE element) |
| DO_X | long | 1 | do x-plane scattering? | |
| DO_Y | long | 1 | do y-plane scattering? | |
| DO_Z | long | 1 | do z-plane scattering? | |
| SMOOTH | long | 0 |
Use smooth method instead of random numbers? | |
| VERBOSITY | long | 0 |
Set verbosity level | |
| FORCE_MATCHED_TWISS | long | 0 |
Force computations to be done with twiss parameters of the beamline, not the beam. |