InDesign script arguments(cs2 or later)

script_arg.jsx

/**
 * InDesign Script Argument memo 
 */
app.scriptArgs.set("mori","girl");
app.scriptArgs.set("hayashi","boy");

alert("is valid?: " + app.scriptArgs.isValid);

app.scriptArgs.save();

app.scriptArgs.clear();

alert("after clear, is defined?: " + app.scriptArgs.isDefined("mori") );
//false

app.scriptArgs.restore();

alert("and then restore, is defined?: " + app.scriptArgs.isDefined("mori") );
//true

alert("get value of mori: " +   app.scriptArgs.get("mori") );
alert("get value of hayashi: " +   app.scriptArgs.get("hayashi") );