How to clear the tokens saved in history

Hi Guys,

In my application i am storing the history tokens when moving backward or forward .Activities and places have been used.

There is a kind of form that need to be filled and when user clicks on submit the token is created and we navigate to a new place.

The problem is when i am clicking on home button which takes me to the page from where i can enter into two different use-cases , the history tokens are not cleared.

So my requirement is that when i click on home button and re-enter into my form page view then the tokens should be cleared , so that my current submit button press are able to form new tokens and back and forward button pick these new tokens and not the old ones.

Regards.

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