<PackageReference Include="NLog" Version="6.1.3" />

NLog.LayoutRenderers.Wrappers.UppercaseLayoutRendererWrapper

Converts the result of another layout output to upper case.
public CultureInfo Culture { get; set; }

Gets or sets the culture used for rendering.

public bool ToUpper { get; set; }

Same as Uppercase-property, so it can be used as ambient property.

public bool Uppercase { get; set; }

Gets or sets a value indicating whether upper case conversion should be applied.