For 1-to-of a lot contacts you may also eliminate so it function

For 1-to-of a lot contacts you may also eliminate so it function optimistic-secure (elective – non-payments so you’re able to true ): specifies that change for the condition of the collection contributes to increments of your managing entity’s version. mutable (recommended – non-payments to help you genuine ): a worth of untrue specifies your components of the fresh new collection […]