> For the complete documentation index, see [llms.txt](https://docs.mixeffect.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mixeffect.app/automate/shortcuts/actions/get-chroma-sample.md).

# Get Advanced Chroma Sample

### **Parameters**

* **Index**: The 1-based USK index for the keyer.
* **Mix Effect Block Index**: The Mix Effect Block to change. Default is M/E 1.

### **Returns**

* **Y**: The Y value for the sample color from 0-255.
* **Cb**: The Cb value for the sample color from 0-255.
* **Cr**: The Cr value for the sample color from 0-255.
* **Cursor X**: The X position of the cursor.
* **Cursor Y**: The Y position of the cursor.
* **Cursor Size**: The size of the cursor.
* **Enable Cursor**: Set to true if you want to sample the color at the cursor position.
* **Enable Preview**: Set to true if you want to preview the chroma sample.