1. A method, comprising: receiving a plurality of object definitions, including a first object definition and a second object definition, the first object definition including a first object field, and the second object definition including a second object field; and storing a formula having the first object field as a first operand, and the second object field as a second operand, wherein the first operand and the second operand are separated only using dot notation; wherein a limit on a number of objects accessed in the formula is enforced; wherein the limit is configured based on a type of the first object.