diff --git a/packages/pluggableWidgets/custom-chart-web/CHANGELOG.md b/packages/pluggableWidgets/custom-chart-web/CHANGELOG.md
index be71944679..e63eee12f4 100644
--- a/packages/pluggableWidgets/custom-chart-web/CHANGELOG.md
+++ b/packages/pluggableWidgets/custom-chart-web/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 
 ## [Unreleased]
 
+### Changed
+
+- We changed the event data to return more properties instead of only bbox coordinates.
+
 ## [1.2.2] - 2025-09-21
 
 ### Fixed
diff --git a/packages/pluggableWidgets/custom-chart-web/package.json b/packages/pluggableWidgets/custom-chart-web/package.json
index c526da4dc6..12c35e3717 100644
--- a/packages/pluggableWidgets/custom-chart-web/package.json
+++ b/packages/pluggableWidgets/custom-chart-web/package.json
@@ -1,7 +1,7 @@
 {
     "name": "@mendix/custom-chart-web",
     "widgetName": "CustomChart",
-    "version": "1.2.2",
+    "version": "1.2.3",
     "description": "Create customizable charts with Plotly.js for advanced visualization needs",
     "copyright": "© Mendix Technology BV 2025. All rights reserved.",
     "license": "Apache-2.0",
diff --git a/packages/pluggableWidgets/custom-chart-web/src/controllers/ChartPropsController.ts b/packages/pluggableWidgets/custom-chart-web/src/controllers/ChartPropsController.ts
index fd933cc6e0..9bf8d76410 100644
--- a/packages/pluggableWidgets/custom-chart-web/src/controllers/ChartPropsController.ts
+++ b/packages/pluggableWidgets/custom-chart-web/src/controllers/ChartPropsController.ts
@@ -124,8 +124,33 @@ export class ChartPropsController implements ReactiveController {
 
     private get chartOnClick(): (data: any) => void {
         return (data: any): void => {
-            if (this.props.eventDataAttribute) {
-                this.props.eventDataAttribute.setValue(JSON.stringify(data.points[0].bbox));
+            if (this.props.eventDataAttribute && data.points && data.points.length > 0) {
+                const point = data.points[0];
+                if (point) {
+                    const { curveNumber, pointNumber, pointIndex, x, y, z, lat, lon, location, pointNumbers } = point;
+
+                    const eventData = {
+                        // Common properties for all chart types
+                        curveNumber,
+                        pointNumber,
+                        pointIndex,
+
+                        // Coordinate values (Cartesian 2D, 3D)
+                        x,
+                        y,
+                        z, // for 3D charts
+
+                        // Map coordinates (geographic charts)
+                        lat,
+                        lon,
+                        location,
+
+                        // Histogram specific properties
+                        pointNumbers
+                    };
+
+                    this.props.eventDataAttribute.setValue(JSON.stringify(eventData));
+                }
             }
             executeAction(this.props.onClick);
         };
diff --git a/packages/pluggableWidgets/custom-chart-web/src/package.xml b/packages/pluggableWidgets/custom-chart-web/src/package.xml
index 0f31c4da0d..4f62dd1658 100644
--- a/packages/pluggableWidgets/custom-chart-web/src/package.xml
+++ b/packages/pluggableWidgets/custom-chart-web/src/package.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <package xmlns="http://www.mendix.com/package/1.0/">
-    <clientModule name="CustomChart" version="1.2.2" xmlns="http://www.mendix.com/clientModule/1.0/">
+    <clientModule name="CustomChart" version="1.2.3" xmlns="http://www.mendix.com/clientModule/1.0/">
         <widgetFiles>
             <widgetFile path="CustomChart.xml" />
         </widgetFiles>