# Multiply node¶

This documentation is for version 2.0 of Multiply (net.sf.openfx.MultiplyPlugin).

## Description¶

Multiply the selected channels by a constant.

## Inputs¶

Input Description Optional
Source   No
Value / value Color r: 1 g: 1 b: 1 a: 1 Constant to multiply with the selected channels.
(Un)premult / premult Boolean Off Divide the image by the alpha channel before processing, and re-multiply it afterwards. Use if the input images are premultiplied.
Invert Mask / maskInvert Boolean Off When checked, the effect is fully applied where the mask is 0.
Mix / mix Double 1 Mix factor between the original and the transformed image.