As per our TurboTax article Claiming Rent on Your Taxes in Ontario as a parent who lives or previously lived with their child, you can apply for the Ontario Energy and Property Tax Credit if you have a low to middle income. This tax credit helps with rent and property taxes paid to your municipal government and is part of the Ontario Trillium Benefit.
I used to give money to my child and she paid through her bank account. I should have claimed from 2017 to 2019 then but I didn’t, can I submit amendments to claim credits retrospectively?