doc/docs/en/shared/material-constants.md

The default {{ include.component }} material has the following constants that can be changed using go.set() or go.animate() (refer to the Material manual for more details). Examples:

go.set("#{{ include.component }}", "{{ include.variable }}", vmath.vector4(1,0,0,1))
go.animate("#{{ include.component }}", "{{ include.variable }}", go.PLAYBACK_LOOP_PINGPONG, vmath.vector4(1,0,0,1), go.EASING_LINEAR, 2)