unique-discriminator-mapping-key

Overview

This rule belongs to the openapi-v3-apimatic-linting ruleset and states that:

The discriminator mapping keys defined in the discriminator object must be unique.

Property	Value
Enabled	Yes
Maximum Severity	Error
Message	Duplicate discriminator mapping key found.
Code	OPENAPI3APIMATIC_L803
Type	Linting
Rule System	Semantic
Broad Category	OpenAPI Discriminators
Products Impacted	API Transformer, Code Generation, Developer Experience Portal
Tags	openapi3 openapi apimatic semantic linting discriminator mapping key

Suggested Fixes

• Remove duplicate discriminator mapping key definitions.
• Make sure that all discriminator mapping keys are assigned unique names.

For More Information

• https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.0.md#fixed-fields-21
• https://github.com/OAI/OpenAPI-Specification/blob/main/versions/3.0.3.md
• https://docs.apimatic.io/rulesets/overview/