# getWXContext
Gets WeChat call context in cloud function. This does not require an incoming parameter, and returns the following fields:
Fields | Description | Prerequisite | Minimum Version |
---|---|---|---|
OPENID | Mini Program user openid | When a cloud function is called on Mini Program | |
APPID | Mini Program AppID | When a cloud function is called on Mini Program | |
UNIONID | Mini Program user unionid | When a cloud function is called on Mini Program and when unionid can be obtained | |
ENV | Environment ID of a cloud function | None | 0.6.0 |
# Use Case
const cloud = require('wx-server-sdk')
exports.main = async (event, context) => {
const {
OPENID,
APPID,
UNIONID,
ENV,
} = cloud.getWXContext()
return {
OPENID,
APPID,
UNIONID,
ENV,
}
}