Code describing how a transaction was used in a system. For instance, if an AODB receives a transaction there are a number of typical usages: - A new flight leg was created based on this transactioncan be created
- An existing flight leg was updated from this transaction.can be updated
- The transaction was can be ignored due to prioritization
- The transaction was ignored since it didnIt can be ignored if it doesn't match an existing flight leg, and isn't the type of transaction that are used to create a flight leg
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