How to animate an environment, shader, texture, or light parameter by creating key frames for the parameter.
Hold the
key and click the name of the parameter you want to animate (for example, Color). The parameter name becomes highlighted.

Go to the frame of your animation that you want to create a parameter keyframe for.
Adjust the parameter setting or value for that frame.
Use the
to click the Key button in the title bar of the Control Window. A white parallelogram or diamond icon appears in the Control Window beside the parameter name and in the Multi-lister swatch. These animation icons indicate that a parameter is animated.

-click the parameter name again to deselect it.
Click-hold the animation icon in the lower left corner of the environment, shader, texture, or light swatch in the Multi-lister.
