How to navigate from a screen to a specific stage in a canvas

How to navigate from a screen to a specific stage in a canvas

just change the stage of the canvas

Thanks for responding quickly!!!, I am actually asking to navigate from a screen when clicking a button and then it should go the canvas stage 2, how do I do it

then the other screen should have the same canvas and
when the other screen opens
just change the stage then

how do I do that

wait i will show