A list of phone numbers (MSISDNs) that have successfully received the message. The key is required, however, the value can be an empty array ([]) for a batch. If the feedback was enabled for a group, at least one phone number is required.
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A list of phone numbers (MSISDNs) that have successfully received the message. The key is required, however, the value can be an empty array (
[]) for a batch. If the feedback was enabled for a group, at least one phone number is required.