| Name | Type | Description | Notes |
|---|---|---|---|
| field | String | Name of the field to use as the first operand in the filter expression. | |
| key | Option<String> | If field is tag, this field is required to specify key inside the tags. |
[optional] |
| value | Option<String> | Constant value to use as the second operand in the filter expression. This value is required when the relation operator is a binary operator. | [optional] |
| relation | String | Operator of a filter expression. |