Sending messages in Amazon Chime SDK messaging

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Sending messages in Amazon Chime SDK messaging - Amazon Chime SDK

You use the SendChannelMessage API to send messages to a channel. For a channel associated with a channel flow, the processor assigns one of the following status values.

Message status	Description
`SENT`	Message processed successfully.
`PENDING`	Ongoing processing.
`FAILED`	Processing failed because the processor Lambda function is unreachable.
`DENIED`	The message won't be sent.

Receiving intermediate status events

Websocket events

Websocket events are sent to a channel after they successfully establish a connection. For more information, refer to Using WebSockets to receive messages in Amazon Chime SDK messaging.

Event type	Status	Recipients	Notes
`CREATE_CHANNEL_MESSAGE`	`SENT`	All channel members	`SendChannelMessage` API with successful preprocessing
`UPDATE_CHANNEL_MESSAGE`	`SENT`	All channel members	`UpdateChannelMessage` API with successful preprocessing
`PENDING_CREATE_CHANNEL_MESSAGE`	`PENDING`	Message sender only	`SendChannelMessage` API with ongoing preprocessing
`PENDING_UPDATE_CHANNEL_MESSAGE`	`PENDING`	Message sender only	`UpdateChannelMessage` API with ongoing preprocessing
`FAILED_CREATE_CHANNEL_MESSAGE`	`FAILED`	Message sender only	`SendChannelMessage` API with failed preprocessing
`FAILED_UPDATE_CHANNEL_MESSAGE`	`FAILED`	Message sender only	`UpdateChannelMessage` API with failed preprocessing
`DENIED_CREATE_CHANNEL_MESSAGE`	`DENIED`	Message sender only	`SendChannelMessage` API with processor denying the message
`DENIED_UPDATE_CHANNEL_MESSAGE`	`DENIED`	Message sender only	`UpdateChannelMessage` API with processor denying the message

GetChannelMessageStatus API

This API provides an alternative way to retrieve message status if the event was not received due to a bad websocket connection. For more information, refer to the GetChannelMessageStatus API documentation.