An edit of a key's state from outside its handlers, applied in this order: clearAll, clear, set (a null value removes the field), patch (a JSON Patch over the state as one object).
clearAll
clear
set
null
patch
Optional
An edit of a key's state from outside its handlers, applied in this order:
clearAll,clear,set(anullvalue removes the field),patch(a JSON Patch over the state as one object).