getUserProp <node> <key_string> setUserProp <node> <key_string> <value> getUserPropVal <node> <key_string> asString:<boolean> setUserPropVal <node> <key_string> <value> quoteStrings:<boolean> getUserPropBuffer <node> setUserPropBuffer <node> <string>
See Node User-Defined Properties and Methods for more information on these methods.