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1# Data and Event Configuration
2
3
4Use the JSON file to configure the variables and events for service widgets. Declare the variables in the **data** field and events in the **actions** field.
5
6
7Example:
8
9
10
11```json
12{
13    "data": {
14        "temperature": "35°C",
15        "city": "hangzhou"
16    },
17    "actions": {
18        "routerEventName": {
19            "action": "router",
20            "abilityName": "com.example.myapplication.FormAbility",
21            "params": {
22                "message": "weather",
23                "temperature": "{{temperature}}"
24            }
25        },
26        "messageEventName": {
27            "action": "message",
28            "params": {
29                "message": "weather update"
30            }
31        }
32    }
33}
34```
35
36For details, see [input](./js-service-widget-basic-input.md) and [list](js-service-widget-container-list.md).
37