有没有办法在Plotly中获取单击点的"customdata“属性？

import plotly.graph_objects as go

# 创建图表数据
data = [
    go.Scatter(
        x=[1, 2, 3],
        y=[4, 5, 6],
        mode='markers',
        customdata=['A', 'B', 'C'],  # 添加自定义数据
        marker=dict(
            size=10
        )
    )
]

# 创建图表布局
layout = go.Layout(
    title='Plotly Click Event Example',
    hovermode='closest'
)

# 创建图表对象
fig = go.Figure(data=data, layout=layout)

# 定义点击事件处理函数
def click_event(trace, points, state):
    for point in points.point_inds:
        customdata = trace.customdata[point]
        print(f"Clicked point's customdata: {customdata}")

# 绑定点击事件处理函数到图表上
fig.data[0].on_click(click_event)

# 显示图表
fig.show()