A filter parsed from the undertow expression language
| Attribute | Value | 
|---|---|
| Type | STRING | 
| Nillable | false | 
| Expressions Allowed | true | 
| Storage | configuration | 
| Access Type | read-write | 
| Restart Required | all-services | 
| Attribute | Value | 
|---|---|
| Type | STRING | 
| Nillable | true | 
| Expressions Allowed | true | 
| Storage | configuration | 
| Access Type | read-write | 
| Restart Required | all-services | 
| Request Parameter | Type | Required | Expressions Allowed | Default value | Description | 
|---|---|---|---|---|---|
| expression | STRING | true | true | The expression that defines the filter | |
| module | STRING | false | true | Module to use to load the filter definitions |