Example Models Reference - Nextedy Documentation

RTM Model

Requirements Traceability Matrix model with multi-level hierarchy from user needs through design requirements.

Risk analysis model with hazards, risk controls, and custom field storage for severity and probability.

4-level requirements hierarchy for DO-178C / ARP 4754A certification with SC/CC classification, test case branches, and compliance formatters.

Component-scoped V-model traceability for ISO 14971 / IEC 62304 with validation and verification branches at each level.

Model	Entity Types	Relationships	Key Feature
RTM Model	5+ (UserNeed, SystemRequirement, DesignRequirement, etc.)	Multi-level hierarchy	Constraints, expansion paths
Risk Management Model	Hazard, RiskControl, etc.	Cross-domain linking	Custom fields, enum properties
Aerospace Safety	7 (CustomerReq through FailureMode)	4-level hierarchy with V&V	SC/CC formatters, 5-state compliance
Medical Device RTM	3 (UserNeed, SystemReq, DesignReq)	V-model with V&V branches	Component scoping, YAML anchors

Last modified on July 10, 2026