hello

params: - {name: a, value: 0, min: -2, max: 2, round: 0.01} layout: OneGraph: graph: xAxis: { min: -5, max: 5} yAxis: { min: -5, max: 5} objects: - Curve: univariateFunction: fn: sin(x) + params.a ind: x color: red drag: - vertical: a