An frd or functional requirements document serves as a contract for formal statement, between the business stakeholders and the technology team, on an application’s functional requirements. Writing a functional requirements document (frd) is an essential step in the software development process. [provide a list of contractual or task level assumptions and/or constraints that are preconditions to preparation of the frd. This document is a functional requirements document (frd) template that outlines the sections and content needed for documenting software requirements. [provide a list of contractual or task level assumptions and/or constraints that are preconditions to preparation of the frd.