| Name | Type | Description | Notes |
|---|---|---|---|
| field | string | The field of the criterion to filter the mailing list by. This must be one of the following values. | |
| comparer | string | An operator that defines the way to compare a criterion field with its value. This must be one of the following values. If not specified, `Is` will be assumed. | [optional] |
| value | string | A search term to filter the specified field by. | [optional] |
| date_from | string | Provides an additional filter option to be combined with the following fields. | [optional] |
| date_to | string | Provides an additional filter option to be combined with the following fields. | [optional] |