---
title: "addOrthTanBasis(forTextureCoordinateAttributeNamed:normalAttributeNamed:tangentAttributeNamed:)"
framework: modelio
role: symbol
role_heading: Instance Method
path: "modelio/mdlmesh/addorthtanbasis(fortexturecoordinateattributenamed:normalattributenamed:tangentattributenamed:)"
---

# addOrthTanBasis(forTextureCoordinateAttributeNamed:normalAttributeNamed:tangentAttributeNamed:)

## Declaration

```swift
func addOrthTanBasis(forTextureCoordinateAttributeNamed textureCoordinateAttributeName: String, normalAttributeNamed normalAttributeName: String, tangentAttributeNamed tangentAttributeName: String)
```