+ NodeDictionary {
    makeSourceNdef {
        | name |
        var internalName = if(name.isNil, {this[\name]}, {name});

        Ndef(internalName, {
            var freq, signal, gate;

            gate = \gate.tr(0);
            freq = \freq.kr(220);

            if(this[\useFreqLag].asBoolean, {
                freq = Lag.kr(freq, \freqLag.kr(0.5));
            });
            
            signal = SynthDef.wrap(
                func: this[\func],
                prependArgs: [freq, gate]
            );
            
            this.processSig(signal, gate);
        });
    }
}