# PostProcessTextVertices

> Callback fired after UI Toolkit has generated the vertex data for a TextElement and before the geometry is sent to the renderer. Use it to inspect or modify each glyph’s quad (position, tint, UVs, etc.) to implement custom per‑glyph effects.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.UIElements](/engine/6000.6/script-reference/unityengine/uielements.md)
* **Assembly:** UnityEngine.UIElementsModule

```csharp
public Action<TextElement.GlyphsEnumerable> PostProcessTextVertices { get; set; }
```