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# Function: writeQueryToService()

> **writeQueryToService**(`directory`): (`query`, `service`, `options`) => `Promise`<`void`>

Defined in: queries.ts:158

Write a query to a service in EventCatalog.

You can optionally override the path of the event.

## Parameters[​](#parameters "Direct link to Parameters")

| Parameter   | Type     |
| ----------- | -------- |
| `directory` | `string` |

## Returns[​](#returns "Direct link to Returns")

`Function`

### Parameters[​](#parameters-1 "Direct link to Parameters")

| Parameter           | Type                                                                      |
| ------------------- | ------------------------------------------------------------------------- |
| `query`             | `Query`                                                                   |
| `service`           | { `id`: `string`; `version`: `string`; }                                  |
| `service.id`        | `string`                                                                  |
| `service.version`?  | `string`                                                                  |
| `options`           | { `format`: `"md"` \| `"mdx"`; `override`: `boolean`; `path`: `string`; } |
| `options.format`?   | `"md"` \| `"mdx"`                                                         |
| `options.override`? | `boolean`                                                                 |
| `options.path`?     | `string`                                                                  |

### Returns[​](#returns-1 "Direct link to Returns")

`Promise`<`void`>

## Example[​](#example "Direct link to Example")

```
import utils from '@eventcatalog/utils';

const { writeQueryToService } = utils('/path/to/eventcatalog');

// Write an event to a given service in the catalog
// Event would be written to services/Orders/queries/GetOrder
await writeQueryToService({
  id: 'GetOrder',
  name: 'Get Order',
  version: '0.0.1',
  summary: 'This is a summary',
  markdown: '# Hello world',
}, { id: 'Orders' });
```