override fun onCreate() {
                                    
super.onCreate();
                                    
//activity to open when use clicked from notification
                                    
//activity to open when a user logout from the app.
                                    
ChatManager.startActivity = MainActivity::class.java
                                    
//for chat logging
                                    
LogMessage.enableDebugLogging(BuildConfig.DEBUG)

                                    
.....
                                    
}

                                
FlyCore.registerUser(USER_IDENTIFIER, FCM_TOKEN) { isSuccess, throwable, data ->
                                
if(isSuccess) {
                                    
val responseObject = data.get("data") as JSONObject
                                    
// Get Username, password and Auth token from the object
                                    
} else {
                                        
// Register user failed print throwable to find the exception details.
                                
}
      
                                
}

                                
ChatConnectionManager.initialize(USERNAME, SECRET_KEY, XMPP_DOMAIN, XMPP_HOST, XMPP_PORT)
                                
ChatManager.makeXMPPConnection()
   
                             
                        

                          
                             

                             
const SDK = window.SDK;
                             
export default SDK;
                             
import SDK from "./SDK";
                             
const initializeObj = {
                                    
xmppSocketHost:`HOST`,
                                    
xmppSocketPort:`PORT`,
                                    
ssl `SSL`,
                                    
encryptKey:`ENCRYPT_KEY`,
                                    
apiBaseUrl:`API_URL`,
                                    
licenseKey:`LICENSE_KEY`,
                                    
isSandbox:`SANDBOX_MODE`,
                                    
callbackListeners:{},
                                    
signalServer:`SIGNAL_SERVER`,
                                    
janusUrl:`JANUS_URL`,
                              
};

                              
await SDK.initializeSDK(initializeObj);
                              
await SDK.register(`USER_IDENTIFIER`);
                              
await SDK.login(`USERNAME`, `PASSWORD`);
                             
                         
                        

                         
  
                         
let groupConfig = try? GroupConfig.Builder
                         
.enableGroupCreation(groupCreation: true)
                         
.onlyAdminCanAddOrRemoveMembers(adminOnly: true)
                         
.setMaximumMembersInAGroup(membersCount: 200)
                         
.build()

                         
ChatSDK.Builder.enableContactSync(isEnable: true)
                         
.setDomainBaseUrl(baseUrl: "YOUR API BASE URL")
                         
.setMaximumPinningForRecentChat(maxPinChat: 4)
                         
.setGroupConfiguration(groupConfig: groupConfig!)
                         
.deleteMediaFromDevice(delete: true)
                         
.setAppGroupContainerID(containerID: "YOUR GROUP CONTAINER ID")
                         
.buildAndInitialize()

                         
ChatManager.shared.initialize(username: USERNAME, secretKey:SECRET_KEY, xmppDomain: XMPP_DOMAIN, xmppPort: XMPP_PORT)
                         
ChatManager.makeXMPPConnection()