how to add checkbox in this table in kivy python?

i created a table in kivy and python and i need to change a checkbox word in dict with the CheckBox() widget how can i make it ?

this my code

data = {'CheckBox': {} , 'Id' : {} , 'Items' :{} , 'QTY' :{}, 'Price' :{}, 'Client_name'  :{}, 'Total_price' :{}}