From 480ef70eb8907eb3d872f1e23aa96837ba254918 Mon Sep 17 00:00:00 2001
From: Zhenyi Zhou <iynehz@163.com>
Date: Tue, 27 May 2025 01:38:49 +0800
Subject: [PATCH] add customdata to HeatMap

---
 plotly/src/traces/heat_map.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/plotly/src/traces/heat_map.rs b/plotly/src/traces/heat_map.rs
index 0fdf85c8..cd108283 100644
--- a/plotly/src/traces/heat_map.rs
+++ b/plotly/src/traces/heat_map.rs
@@ -7,6 +7,7 @@ use crate::{
     common::{
         Calendar, ColorBar, ColorScale, Dim, HoverInfo, Label, LegendGroupTitle, PlotType, Visible,
     },
+    private::NumOrStringCollection,
     Trace,
 };
 
@@ -71,6 +72,11 @@ where
     color_scale: Option<ColorScale>,
     #[serde(rename = "connectgaps")]
     connect_gaps: Option<bool>,
+    /// Assigns extra data each datum. This may be useful when listening to
+    /// hover, click and selection events. Note that, "scatter" traces also
+    /// appends customdata items in the markers DOM elements
+    #[serde(rename = "customdata")]
+    custom_data: Option<NumOrStringCollection>,
     #[serde(rename = "hoverinfo")]
     hover_info: Option<HoverInfo>,
     #[serde(rename = "hoverlabel")]