The value attribute specifies the integer value to use for the state. You cannot assign a value to the error state (if the object has an error state).
The state elements within the states element for the maintainedButton, latchedButton, multistateButton, multistateIndicator, symbol, listIndicator, controlListSelector and pilotedCOntrolListSelector graphic object elements contain this attribute.
FactoryTalk View equivalent: St_Value