Functional Requirements
Purpose
Example: Develop a unified customer management platform to streamline client interactions, improve tracking of customer data, and reduce response times, enhancing client satisfaction.
Scope
In scope:
Example: Development of user authentication and authorization features.
...
Out of scope:
Example: Support for third-party integrations.
...
Functional requirements
Summary
ID | Requirement | Priority | Dependency |
FR-01 | Example: User registration and login | 🟢 High | None |
FR-02 | ... | ... | ... |
Detailed functional requirements
FR-01: User registration and login
Feature | Allow users to create accounts and securely log in. |
Triggers | User clicks "Sign Up" or "Log In." |
Preconditions | Valid email address is required. |
Use cases |
|
Acceptance criteria |
|
FR-02: ...
Non-functional requirements
Category | Requirement description |
Performance | Example: Must handle 1000 concurrent active users. |
Security | Example: Implement AES-256 encryption for sensitive data. |
Usability | Example: Ensure navigation tasks can be completed in under 2 minutes. |
Availability | Example: System uptime must meet or exceed 99.9%. |
Interfaces
User interfaces
System interfaces
Document any APIs, integrations, or external systems the application will interact with.
Risks and dependencies
Risks:
Example: Potential delays in third-party API availability.
...
Dependencies:
Example: Stakeholder approval of final wireframes.
...
Assumptions and constraints
Assumptions:
Example: Existing infrastructure will support the system requirements.
...
Constraints:
Example: The project must be completed within 6 months.
...
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About this template
VIEW ALLFunctional requirements describe the specific features and capabilities of a system, outlining what it must do to meet user needs. They serve as a blueprint for development, helping teams prioritize features and validate the final product.
A well-written set of functional requirements reduces ambiguity, prevents scope creep, and ensures alignment between stakeholders and developers.
Use this template to document your system’s essential functions and keep everyone on the same page.
