Save function on the same buildings

I need help.

I’m more at the beginning of learning and I don’t know how to solve the problem :slight_smile:
I need any instructions or a link on how to do it.

I have water buildings where the player adds male and female workers.
everything works normally add workers, save …

My problem is when the player adds more of the same buildings.
I have the value on all buildings the same.

How would I do the save of values per building
Water 01 save parameters
Water 02 save parameters …