How to create a spray foam effect?

Hello
I am trying to create a foam fire extinguisher effect. My video depicts a woman miming with a fire extinguisher (spraying back and forth with the nozzle) and now I am being asked to supply the foam ("fix it in post"). I have created a motion tracker for the nozzle and have tried various emitters with only limited success.
Do any of you Motion gurus have a secret recipe for a spray of foam?
Thank you!

Try: Content > Blur 11 (or one of the others) >Apply
Add Emitter
Set 3D
set Lattitude to 90 degrees; Longitude 0; Emission Range about 30
Check face camera
Birth rate: start around 75
Life around 8 or so? (after you scale the effect to fit, set it high enough to go as far as needed)
Set speeds rather high (3500?)
Spin Randomness if you like
Use Properties to orient (and Scale) the emitter in your scene [optionally, resize the Blur image smaller]. Start with Rotation X around 110 (should be streaming at a slightly downward direction); Rotation Y for left/right motion. You should be able to figure out the rest.
You can also add a Gravity behavior (affect subobjects) set quite high (start around 2000) to pull down the end of the emitter.
If you need it to "stick" places, investigate the Attracted To behavior (in Simulations—and use "null objects" [opacity 0] arranged in your scene.)
Cross your fingers, hope for the best

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