---
title: "glIsVertexArrayOES(_:)"
framework: OpenGL ES
role: symbol
role_heading: Function
platforms: [iOS 4.0+, iPadOS 4.0+, Mac Catalyst 4.0+, tvOS 9.0+]
path: "opengles/glisvertexarrayoes(_:)"
---

# glIsVertexArrayOES(_:)

## Declaration

```swift
func glIsVertexArrayOES(_ array: GLuint) -> GLboolean
```