# Sandbox.Bitmap.IsPsd

```csharp
static bool IsPsd(byte[] data)
```

Checks if the provided byte array is a valid PSD file.

### Parameters

- `data` (`byte[]`): Byte array to check.

### Returns

`bool`: True if the data is a PSD file, otherwise false.

Declared in [Sandbox.Bitmap](/api/Sandbox.Bitmap).
Assembly: `Sandbox.Engine`.