Constants Usage let { Constants } = require('react-native-twilio-chat') client.onSynchronizationStatusChanged = (status) => { if (status == Constants.TCHSynchronizationStatus.Completed) { console.log('Sync complete!') } } if (channel.status == Constants.TCHChannelStatus.Joined) { console.log('I can post!') } client.createChannel({ type: Constants.TCHChannelType.Private } TCHChannelStatus Invited Joined NotParticipating TCHChannelSynchronizationStatus None Identifier Metadata All Failed TCHChannelType Public Private TCHClientConnectionState Connecting Connected Disconnected Denied Error TCHClientSynchronizationStatus Started ChannelListCompleted Completed Failed TCHClientSynchronizationStrategy All ChannelsList TCHLogLevel Fatal Critical Warning Info Debug TCHUserInfoUpdate Attributes FriendlyName ReachabilityNotifiable ReachabilityOnline