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schema-reference.md
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--- keywords: - grafana - schema labels: products: - cloud - enterprise - oss title: LokiDataQuery kind --- > Both documentation generation and kinds schemas are in active development and subject to change without prior notice. ## LokiDataQuery #### Maturity: [experimental](../../../maturity/#experimental) #### Version: 0.0 | Property | Type | Required | Default | Description | |----------------|---------|----------|---------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `expr` | string | **Yes** | | The LogQL query. | | `refId` | string | **Yes** | | A unique identifier for the query within the list of targets.<br/>In server side expressions, the refId is used as a variable name to identify results.<br/>By default, the UI will assign A->Z; however setting meaningful names may be useful. | | `datasource` | | No | | For mixed data sources the selected datasource is on the query level.<br/>For non mixed scenarios this is undefined.<br/>TODO find a better way to do this ^ that's friendly to schema<br/>TODO this shouldn't be unknown but DataSourceRef | null | | `editorMode` | string | No | | Possible values are: `code`, `builder`. | | `hide` | boolean | No | | true if query is disabled (ie should not be returned to the dashboard)<br/>Note this does not always imply that the query should not be executed since<br/>the results from a hidden query may be used as the input to other queries (SSE etc) | | `instant` | boolean | No | | @deprecated, now use queryType. | | `legendFormat` | string | No | | Used to override the name of the series. | | `maxLines` | integer | No | | Used to limit the number of log rows returned. | | `queryType` | string | No | | Specify the query flavor<br/>TODO make this required and give it a default | | `range` | boolean | No | | @deprecated, now use queryType. | | `resolution` | integer | No | | @deprecated, now use step. | | `step` | string | No | | Used to set step value for range queries. |