# ContinueCallback (System API)

The ContinueCallback module defines the callback function that indicates the result of mission continuation. For details about mission continuation, see [continueMission](js-apis-distributedMissionManager-sys.md#distributedmissionmanagercontinuemission).

> **NOTE**
>
> The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
> The APIs provided by this module are system APIs.

## ContinueCallback.onContinueDone

onContinueDone(result: number): void;

Called when the mission continuation is complete.

**System API**: This is a system API.

**System capability**: SystemCapability.Ability.AbilityRuntime.Mission

**Parameters**

| Name | Type | Mandatory | Description |
| -------- | -------- | -------- | -------- |
| result |  number | Yes | Mission continuation result. |

**Example**

```ts
import { distributedMissionManager } from '@kit.AbilityKit';
import { BusinessError } from '@kit.BasicServicesKit';

distributedMissionManager.continueMission(
  {
    srcDeviceId: '123',
    dstDeviceId: '456',
    missionId: 123,
    wantParam: {
      'key': 'value'
    }
  },
  {
    onContinueDone(result: number) {
      console.log(`onContinueDone, result: ${JSON.stringify(result)}`);
    }
  }, (error: BusinessError) => {
  if (error && error.code) {
    console.error(`continueMission failed, error.code: ${error.code}, error.message: ${error.message}`);
  }
  console.log(`continueMission finished`);
});
```