| Name | Description | |
|---|---|---|
 | mv | Flag indicating whether the parameter can accept multiple values. |
| n | Parameter name. This is used as the key identifying the parameter value. |
| nu | Flag indicating whether the parameter may be null. |
| p | Parameter UI prompt. |
| pvs | The list of possible values. Should be used to populate dropdowns, radiobuttons and the like. This may be null. |
| rq | Flag indicating whether the parameter is required (must be filled in by user). |
| t | Parameter type name. |
| vs | The initial parameter value or values. An example of multiple values parameter: select days of week, UI should show a list of Mon/Tue/..., with a checkbox near each day, and some days selected initially - those would be ones specified here. May be null. |
| vx | Flag indicating whether the list of possible values is exclusive (i.e. input must be limited to those values only). |