Animate smoke density for a group of emiters?

I have a group of ~100 emitters in a smoke domain. I need to keyframe the density value for them but I don’t want to do it manually to 100 objects. How do I animate density for a collection?

Any value can be edited on multiple objects by holding alt as you a just the value… this icludes adding keyframes. … just select all the objects, and then hold alt as you press the keyframe button next to the density value and as you alter the density value and will will alter and key frame on all objects.

Also - have a look at the commotion addon for staggering the keyframes after yv keyframe them.

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