Builder
class Builder
Properties
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The fallback channel to use when RCS delivery fails. Valid values are SMS and MMS. SMS and MMS are mutually exclusive.
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The text body of the fallback message. Required for SMS fallback. For MMS fallback, at least one of MessageBody or MediaUrls must be provided.
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The origination identity to use for the fallback message. This can be a PhoneNumber, PhoneNumberId, PhoneNumberArn, SenderId, or SenderIdArn. Pool IDs and pool ARNs are not accepted. If not specified and the original message was sent via a pool, the service selects a suitable number from the pool.