---
title: "XmpData..::.Keys Property "
canonical: https://www.graphicsmill.com/docs/gm5/P_Aurigma_GraphicsMill_Codecs_XmpData_Keys.htm
product: "Graphics Mill 5.5 for .NET"
---

This documentation is for the old version. [Go to the latest Graphics Mill docs](https://www.graphicsmill.com/docs/gm/)

# XmpData.Keys Property 
 
Returns a collection of tags stored in this tree.
 
**Namespace:** [Aurigma.GraphicsMill.Codecs](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Codecs.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```
Public ReadOnly Property Keys As ICollection
```
 
```csharp
public ICollection Keys { get; }
```
 
### Property Value
Object that implements the [ICollection](http://msdn2.microsoft.com/en-us/b1ht6113) interface and contains tags stored in this tree.
 
## Remarks
  
Tag names are returned as strings.
   
## See Also

### Reference

- [XmpData Class](https://www.graphicsmill.com/docs/gm5/T_Aurigma_GraphicsMill_Codecs_XmpData.htm.md)
- [Aurigma.GraphicsMill.Codecs Namespace](https://www.graphicsmill.com/docs/gm5/N_Aurigma_GraphicsMill_Codecs.htm.md)