deliveryStatus
The delivery status of the message. Possible values are:
DUPLICATE - The endpoint address is a duplicate of another endpoint address. Amazon Pinpoint won't attempt to send the message again.
OPT_OUT - The user who's associated with the endpoint has opted out of receiving messages from you. Amazon Pinpoint won't attempt to send the message again.
PERMANENT_FAILURE - An error occurred when delivering the message to the endpoint. Amazon Pinpoint won't attempt to send the message again.
SUCCESSFUL - The message was successfully delivered to the endpoint.
TEMPORARY_FAILURE - A temporary error occurred. Amazon Pinpoint won't attempt to send the message again.
THROTTLED - Amazon Pinpoint throttled the operation to send the message to the endpoint.
TIMEOUT - The message couldn't be sent within the timeout period.
UNKNOWN_FAILURE - An unknown error occurred.