---
title: "CmykChannelCombiner.A Property "
canonical: https://www.graphicsmill.com/docs/gm/P_Aurigma_GraphicsMill_CmykChannelCombiner_A.htm
archived: false
applies_to:
  - product: "Graphics Mill"
    versions: ["12.1", "6.x-12.x (may differ)"]
    entity_id: "https://www.graphicsmill.com/#software-application"
---

# CmykChannelCombiner.A Property 

**Applies to:** Graphics Mill 12.1, 6.x-12.x (may differ)
 
Gets or sets a pipeline producing an image for the alpha channel.
 
**Namespace:** [Aurigma.GraphicsMill](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill.htm.md)
 **Assembly:** Aurigma.GraphicsMill (in Aurigma.GraphicsMill.dll)
 
## Syntax
  
```csharp
public Pipeline A { get; set; }
```
 
### Property Value
A [Pipeline](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_Pipeline.htm.md) producing an image for the alpha channel.
   
## See Also

### Reference

- [CmykChannelCombiner Class](https://www.graphicsmill.com/docs/gm/T_Aurigma_GraphicsMill_CmykChannelCombiner.htm.md)
- [Aurigma.GraphicsMill Namespace](https://www.graphicsmill.com/docs/gm/N_Aurigma_GraphicsMill.htm.md)