var c_metric = CompoundMetric.make({ "name": "MyCMetric", "id": "MyCMetric", "expression": "MyExpression" }); var c_spec = EvalMetricsSpec.make({ ids: ["MyID"], expressions: ["MyCMetric"], start: "2015-01-01", end: "2019-06-01", interval: "DAY" }); c3Viz(MyType.evalMetricsWithMetadata(c_spec,[c_metric]));