vizSpec property
Plotly figure JSON describing the visualization. Authored via the visual editor or via API. When populated, takes precedence over the legacy viz_* fields. Shape follows Plotly's figure schema: {data: {type: '...', xsrc: '...', ...}, layout: {...}}. Column references use *src keys (xsrc, ysrc, labelssrc, etc.) and are hydrated with actual data at render time.
Please note: This property should have been non-nullable! Since the specification file does not include a default value (using the "default:" property), however, the generated source code must fall back to having a nullable type. Consider adding a "default:" property in the specification file to hide this note.
Implementation
Object? vizSpec;