How do I active button Boolean to true or false

hello how can i make a event like this:

if xPlayer on collision with object{door} then

door set Y 650

else

door set Y 865

end

You can have a boolean to trigger open/close the doors.

There is 2 options in my example:

drive.google.com/file/d/1ZqDhc17HrIZ1vPkeDwexl_eV1SSU-o35/view

Please raise your question if there is anything unclear.