AToMPM/users/(default)/Formalisms/TrafficLight/TrafficLight.metamodel

{
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			"name": "set-clock",
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			"code": "var instances = getAllNodes(['/Formalisms/TrafficLight/TrafficLight/Time']);\nconsole.log(instances.length);\nif (instances.length) {\n   setAttr('clock', 0, instances[0]);\n}"
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}