def getScriptProperties(self):
    properties = {}
    numProperties = self.e.getValue(play.paramScriptingScriptNumProperties, iInstrument)
    for i in range(numProperties):
        key = self.e.getValue(play.paramScriptingScriptPropertyName, iInstrument, i)
        value = self.e.getValue(play.paramScriptingScriptPropertyName, iInstrument, i)
        properties[key] = value
    return properties

def setScriptProperties(self, properties):
    numProperties = self.e.getValue(play.paramScriptingScriptNumProperties, iInstrument)
    for i in range(numProperties):
        if key in properties:
            self.e.setValue(play.paramScriptingScriptPropertyValue, properties[key], iInstrument, i)