function changeBars(scene){var cccOptions = this.chartDefinition;

// For changing extension points, a little more work is required:var eps = Dashboards.propertiesArrayToObject(cccOptions.extensionPoints);

// add extension points:eps.bar_fillStyle = function getColor(){var val = this.scene.vars.value.value;

if(val >= 0){return 'green';}else if(val