Use the following procedure to define custom price calculations on resources and services.

1. Create your custom price calculator class

Create a class that implements the interface B25.Util_PluginManager.ReservationPrice. Implementing that interface means the class must have a method with the following signature:

void calculate(B25.Util_PluginManager.ReservationPriceData)

This method will be called whenever a reservation is saved, or whenever the reservation form gets rerendered. You can control when the reservation form gets rerendered, more on that in a bit. The B25.Util_PluginManager.ReservationPriceData object that gets passed along to the calculate method has two properties that will help you to make your own price calculation.

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