Plotly Events (plotly:*)

User Interactions (JS → Python)

Event	Payload
plotly:click	{chartId, widget_type, points, point_indices, curve_number, event}
plotly:hover	{chartId, widget_type, points, point_indices, curve_number}
plotly:unhover	{chartId}
plotly:selected	{chartId, widget_type, points, point_indices, range, lassoPoints}
plotly:deselect	{chartId}
plotly:relayout	{chartId, widget_type, relayout_data}
plotly:state-response	{chartId, layout, data}
plotly:export-response	{data: [{traceIndex, name, x, y, type}, ...]}

Point structure:

{
    "curveNumber": 0,
    "pointNumber": 5,
    "pointIndex": 5,
    "x": 2.5,
    "y": 10.3,
    "z": None,
    "text": "label",
    "customdata": {...},
    "data": {...},
    "trace_name": "Series A"
}

Chart Updates (Python → JS)

Event	Payload
plotly:update-figure	{figure, chartId?, config?, animate?}
plotly:update-layout	{layout, chartId?}
plotly:update-traces	{update, indices, chartId?}
plotly:replace	{figure, chartId?}
plotly:reset-zoom	{chartId?}
plotly:request-state	{chartId?}
plotly:export-data	{chartId?}