Unused parameter (IDE0060)

Key dotnet.codequality.unused-parameter · Severity info · Category codequality

Microsoft code-style analyzer IDE0060. Flags a parameter the method never reads. Callers compute and pass a value that changes nothing.

Incorrect

public decimal Tax(Order order, string country) => order.Total * 0.2m;

Correct

public decimal Tax(Order order) => order.Total * 0.2m;