# CharacteristicGrammarInput

input type

Grammar input — >=1 field when supplied; bounds ordered (minLength <= maxLength); pattern must compile (validated STRICT server-side against the stored valueType on edits).

## Fields

| Field | Type | Required | Notes |
| --- | --- | --- | --- |
| `pattern` | [String](/types/#scalars) | no | No further notes. |
| `minLength` | [Int](/types/#scalars) | no | No further notes. |
| `maxLength` | [Int](/types/#scalars) | no | No further notes. |