Flag indicating whether the parameter can accept multiple values.

Parameter name. This is used as the key identifying the parameter value.

Flag indicating whether the parameter may be null.

Parameter UI prompt.

The list of possible values. Should be used to populate dropdowns, radiobuttons and the like. This may be null.

Flag indicating whether the parameter is required (must be filled in by user).

Parameter type name.

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.

Flag indicating whether the list of possible values is exclusive (i.e. input must be limited to those values only).