/// <summary>
/// Create a channel
/// </summary>
/// <param name="messenger"></param>
/// <param name="channelName"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public static Task CreateChannelAsync(this IMessenger messenger, string channelName, CancellationToken cancellationToken = default)
{
return(messenger.CreateChannelsAsync(new[] { channelName }, cancellationToken));
}