copyFileMessageFlow

baseChannel.copyFileMessageFlow(targetChannel, fileMessage)
    .onEach {
        when (it) {
            is MessageResult.Pending -> {
                // called it when sending message are called
                // it contains pendingMessage
            }
            is MessageResult.Succeed -> {
                // called it with result data when all job has been completed
            }
            is MessageResult.Failure -> {
                // deliver exception with failed message when all job has been completed
                // it.message : failed message
                // it.e : exception
            }
        }
    }.catch {
        // error occurred (validation failed)
    }.launchIn(viewModelScope)