Is it posible to use entity object (Propel active record) in Business layer?

U0208K3V15W

[Newbie] Hi team. I have concerns that : Is it posible to use entity object (Propel active record) in Business layer, or only in Persistent layer.

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only in persistence

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only transfer objects should leave the persistence layer

U0208K3V15W

Thank @UJN2JRU4F, btw I see some core module still create Query Object via Query container and execute in Bussiness Layer. I guess that old version.

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yes, that is legacy. do you have an example?

U0208K3V15W

https://github.com/spryker/currency/blob/master/src/Spryker/Zed/Currency/Business/Model/CurrencyReader.php @UJN2JRU4F This module for example

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yes, that looks pretty much like legacy