Something like this. Time to sine is -1

[trail marsh]

so it'd be like a seperate animated material for talking and then after, the material would switch back to the original mouth closed one?

[ancient aurora]

You could swap materials if you want. But you can also just put this in a switch or if in your original material too.

[trail marsh]

Well, this is the original material, just want to check where I should put the code in before I do