# Set 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.
* **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.

### **Returns**

Nothing