createItem
abstract fun createItem(channel: Channel, channelItem: IChannelItem, listener: RainbowListener<String, Unit>? = null)
Adds ChannelItem to a Channel
To create an IChannelItem you should use the ChannelItemBuilder and call the ChannelItemBuilder.build method.
Parameters
channel
Channel The channel where the channel item is created
channelItem
ChannelItem The channel item object
listener
RainbowListener