Optionalretention_Optionalttl_Optional. The days before a message is eligible for deletion. The valid range is [0 - 7]. In the case of a 0 day TTL, messages aren't stored at all. Note the retention cleanup job runs once every twenty-four hours, so messages are not deleted on the minute they become eligible for deletion.
The retention policy configured for messages in Dispatch Mode. Currently only
MESSAGE_EXPIRE_POLICYis available. For more information about retention policies, see Retention Policy.