1. A programmable apparatus configured for use in a computing environment, the apparatus comprising: a business rules engine including at least one rule executable by a mainframe system, the business rules engine having at least one rule stored therein based on an extensible language; and, a business rules engine builder interface configured to access the business rules engine, the interface being configured to permit selection from among different rules collections in the business rules engine, wherein at least one of the rules is associated with modifying an aspect of the business rules engine builder interface.