Multiple add.ctp in one add.ctp

hello I have a question you can have multiple add.ctp inside another add.ctp and how it would be done by that means or someone who can locate me a little since I am very new in cakephp 3
Either way, thanks

You mean multiple forms? Or multiple records as fields?
You can use elements to do that, if somethings repeats itself, see docs.
Also helpers can sometimes help to group things, or do not have to repeat yourself.