def METHOD_NAME(self, customScript, configurationAttributes):
    print "Registration. Initialization"
    print "Registration. Initialized successfully"
    if (configurationAttributes.containsKey("generic_register_attributes_list") and
            configurationAttributes.containsKey("generic_local_attributes_list")):
        remoteAttributesList = configurationAttributes.get("generic_register_attributes_list").getValue2()
        if (StringHelper.isEmpty(remoteAttributesList)):
            print "Registration: Initialization. The property generic_register_attributes_list is empty"
            return False
        localAttributesList = configurationAttributes.get("generic_local_attributes_list").getValue2()
        if (StringHelper.isEmpty(localAttributesList)):
            print "Registration: Initialization. The property generic_local_attributes_list is empty"
            return False
        self.attributesMapping = self.prepareAttributesMapping(remoteAttributesList, localAttributesList)
        if (self.attributesMapping == None):
            print "Registration: Initialization. The attributes mapping isn't valid"
            return False
    return True