Can't use "Set Emitter Enable"

Hi, I recently ran into a problem where I cannot use “Set Emitter Enable” in Construction Script or BP Interface. I don’t know if it is how it is suppose to be or it is a bug on my end.

Thank you
Sumit

Never Mind I used the Activate/Deactivate fucntion.

Where?! I Cant Find

Nvm Found IT:
Here:
Search For What You Want activated, Then The Rest Happens, Activate Is NOT Stand Alone, Works GREAT! With particles!: