Okay so my daughter has been telling me every time she poops for the last few months but when I go…

Okay so my daughter has been telling me every time she poops for the last few months but when I go to put her on her potty she cries. Has this happened with any other moms? Any ideas what I can do to help. She is only 1 and a half so I'm thinking she might be young for it, but she's telling me then pooping. Like she points to her bum then goes lol.