Legacy Documentation: Version 4.3.0
Unwrapping.GeneratePerTriangleUV
static function GeneratePerTriangleUV(src: Mesh): Vector2[];
static Vector2[] GeneratePerTriangleUV(Mesh src);
static def GeneratePerTriangleUV(src as Mesh) as Vector2[]
Description

Will generate per-triangle uv (3 uv pairs for each triangle) with default settings.

You'll need to merge them yourself.
static function GeneratePerTriangleUV(src: Mesh, settings: UnwrapParam): Vector2[];
static Vector2[] GeneratePerTriangleUV(Mesh src, UnwrapParam settings);
static def GeneratePerTriangleUV(src as Mesh, settings as UnwrapParam) as Vector2[]
Description

Will generate per-triangle uv (3 uv pairs for each triangle) with provided settings.

You'll need to merge them yourself.