| Parameter | Type | Description | Example |
|---|---|---|---|
| object | Index key. | ||
| chn | boolean | Whether the field contains Chinese characters. | true |
| caseSensitive | boolean | Case sensitivity. | true |
| token | array | Delimiter. | |
| string | | | ||
| alias | string | Alias. | myAlias |
| type | string | The data type of the field. | text |
| doc_value | boolean | Whether to enable statistics. | true |
| index_all | boolean | Whether to enable auto indexing for all text fields in JSON. | true |
| max_depth | long | Maximum depth. | |
| json_keys | object | json key | |
| IndexJsonKey |