Configures a custom PreApply listener class. PreApply listeners are executed before data is stored to the database. They are useful for checking data integrity or modifying data before it is stored.

A PreApply listener is called for each object in the transaction. A TransactionPreApply listener is called for the whole transaction.

The class definition overwrites the global definition in the Options section. That is, if a class has a PreApplyListener configured and there is a PreApplyListener configured in the Options section, then the definition in the class is used.

This example shows the configuration for a custom PreApply listener: