How to make a macro end on address bar change

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ty for the response! been playing around with the codes you gave me and no luck
the macro I'm using is one I found on the forum which is:
rep
,lef X X 
,rep 10*1
,,0.1
,,
,,ifk A
,,,bee
,,,mes "my message here"
,,,end

i have it so that when I press the alt key it gives me a message reminding me to do a certain task
i want it so that if address bar changes it plays system sound and gives me the message. ty for the hel