title	description	author	monikerRange	ms.author	ms.date	uid
ASP0018: Unused route parameter	Learn about analysis rule ASP0018: Unused route parameter	tdykstra	>= aspnetcore-8.0	tdykstra	11/22/2022	diagnostics/asp0018

ASP0018: Unused route parameter

	Value
Rule ID	ASP0018
Category	Usage
Fix is breaking or non-breaking	Non-breaking

Cause

A route parameter is specified but not used.

A route parameter is specified but not used. In the example below, the name parameter is defined in the route but not in the route handler.

var app = WebApplication.Create();

app.MapGet("/{id}", () => ...);

To fix a violation of this rule, remove the route parameter or add code that uses the parameter.

Do not suppress a warning from this rule.