popup while leaving the page

[akhilbabu92]

I am in trouble to implement a popup for saving the unsaved data while leaving a page in primeface .My requirement is after i opened a particular page when i click on the menu item there should be a popup showing in current page with a message that "Do you want to leave "! and there should be 3 options like "Yes" ,"NO " and "save and leave" . i am using prime faces 6.2 and please help me to resolve this issue .