Assertion: queue's message | /r/CapableOf | specify a partition key
Facets:
Source sentences:
text: Messages that are sent as part of a transaction must specify a partition key.
text: All messages that are sent as part of the same transaction must specify the same partition key.
text: If the message specifies a partition key (SessionId, PartitionKey, or MessageId), that partition key is used for the destination entity.