// 简单的使用示例  
'use strict';  
const uniPush = uniCloud.getPushManager({appId:"__UNI__4796942"}) //注意这里需要传入你的应用appId  
exports.main = async (event) => {  
    const obj = JSON.parse(event.body)  
        const res = await uniPush.sendMessage(obj)  
    return res;  
};