import com.hyphenate.chat.EMClient;

EMClient.getInstance().init(mContext, mEMOptions);
EMClient.getInstance().login(username, password, null);
EMMessage message = EMMessage.createTxtSendMessage(content, toChatUsername);
EMClient.getInstance().chatManager().sendMessage(message);
EMClient.getInstance().logout(true);

#import <HyphenateChat/HyphenateChat.h>
                    
[[EMClient sharedClient] initializeSDKWithOptions:[EMOptions optionsWithAppkey:@"appkey"]];
[[EMClient sharedClient] loginWithUsername:@"username" password:@"password" completion:nil];
EMMessage *message = [[EMMessage alloc]initWithConversationID:@"conversationId" from:@"from" to:@"
to" body:[[EMTextMessageBody alloc]initWithText:@"text"] ext:nil];
[[EMClient sharedClient].chatManager sendMessage:message progress:nil completion:nil];
[[EMClient sharedClient] logout:YES];

import 'package:im_flutter_sdk/im_flutter_sdk.dart';

await EMClient.getInstance.init(EMOptions(appKey: Appkey));
await EMClient.getInstance.login('username','password');
EMMessage msg = EMMessage.createTxtSendMessage(username: toUsername, content: 'hello Hyphenate');
await EMClient.getInstance.chatManager.sendMessage(msg);
await EMClient.getInstance.logout(true);

let websdk = require("./wxsdk")

let connection = new websdk.connection({appKey: 'appkey'})
connection.open({user: 'username', pwd: 'password', appKey: 'appkey'});
let id = connection.getUniqueId();
let msg = new websdk.message('txt', id);
msg.set({ msg: 'message content', to: 'userId',)
connection.send(msg.body);
connection.close();

import websdk from 'easemob-websdk'

let connection = new websdk.connection({appKey: 'appkey'})
connection.open({user: 'username', pwd: 'password', appKey: 'appkey'});
let id = connection.getUniqueId();
let msg = new websdk.message('txt', id);
msg.set({ msg: 'message content', to: 'userId',)
connection.send(msg.body);
connection.close();