https://learn.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.routing.ioutboundparametertransformer.transformoutbound?view=aspnetcore-6.0
IOutboundParameterTransformer.TransformOutbound(Object) Method (Microsoft.AspNetCore.Routing) |...
Transforms the specified route value to a string for inclusion in a URI.
objectmethodmicrosoftaspnetcorerouting