Facet Attribute Reference

The [Facet] attribute is used to declare a new projection (facet) type based on an existing source type.

Usage

[Facet(typeof(SourceType), exclude: "Property1", "Property2")]
public partial class MyFacet { }

Parameter	Type	Description
`sourceType`	`Type`	The type to project from (required).
`exclude`	`string[]`	Names of properties/fields to exclude from the generated type (optional).
`IncludeFields`	`bool`	Include public fields from the source type (default: false).
`GenerateConstructor`	`bool`	Generate a constructor that copies values from the source (default: true).
`Configuration`	`Type?`	Custom mapping config type (see Custom Mapping).
`GenerateProjection`	`bool`	Generate a static LINQ projection (default: true).
`Kind`	`FacetKind`	Output type: Class, Record, Struct, RecordStruct (default: Class).

[Facet(typeof(User), exclude: nameof(User.Password), Kind = FacetKind.Record)]
public partial record UserDto;

See Custom Mapping for advanced scenarios.