1# ContinueCallback (System API)
2
3The 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).
4
5> **NOTE**
6>
7> 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.
8> The APIs provided by this module are system APIs.
9
10## ContinueCallback.onContinueDone
11
12onContinueDone(result: number): void;
13
14Called when the mission continuation is complete.
15
16**System API**: This is a system API.
17
18**System capability**: SystemCapability.Ability.AbilityRuntime.Mission
19
20**Parameters**
21
22| Name | Type | Mandatory | Description |
23| -------- | -------- | -------- | -------- |
24| result |  number | Yes | Mission continuation result. |
25
26**Example**
27
28```ts
29import { distributedMissionManager } from '@kit.AbilityKit';
30import { BusinessError } from '@kit.BasicServicesKit';
31
32distributedMissionManager.continueMission(
33  {
34    srcDeviceId: '123',
35    dstDeviceId: '456',
36    missionId: 123,
37    wantParam: {
38      'key': 'value'
39    }
40  },
41  {
42    onContinueDone(result: number) {
43      console.log(`onContinueDone, result: ${JSON.stringify(result)}`);
44    }
45  }, (error: BusinessError) => {
46  if (error && error.code) {
47    console.error(`continueMission failed, error.code: ${error.code}, error.message: ${error.message}`);
48  }
49  console.log(`continueMission finished`);
50});
51```
52