scrollytellerconfig.js

const scrollyTellerConfiguration = { // Section Configuration object

  // event handler triggered when text box reaches 50% of page height
  onActivateNarrationFunction: function ({
    
    // section configuration containing a reference to a graph component
    sectionConfig: { graph },

    // state = JSON.parse(trigger)
    state: { year },
  }) {
    if (graph && year) {
      graph.render({ year });
    }
  },
};