Password in Pools for FreeNAS 11.3

I am new with freenas and am trying to setup passwords for datasets. I have the datasets all set up and I can access them from windows but they all come up without passwords. Ive been following youall on youtube videos but can’t figer out the setting of passwords. if I’m in the wrong location sorry please direct me in the right area.

Tim N

Passwords are defined not per data set but based on their SMB share and what permissions you have on that dataset.