What is the event to handle before leaving the page?

Hello All,
I am using splitApp. I have a scenario where user can edit few fields in one of the "Detail" page. When user clicks some item in master page, before changing the detail page I want to show a popup to user if changes should be saved.
Is there an event where I get to know any detail page navigation? or some event to handle before leaving the page.
Thanks,
Rashmi

Hi Rashmi,
It depends on which element you are using.
Suppose you are using sap.ui.commons.TextField where you are editing your data(In Detail View) then change event is triggered whenever the text in the field has changed AND the focus leaves the TextField or the Enter key is pressed and you can use this event in your code according to your need.
Here you may set some global variable and check that value if it is set or not.
Best Regards
Dhananjay

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What is the event to handle before leaving the page?

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