VisualProps
VisualProps : unknown
Custom Visual props is the stored metadata for the visual props definition configured by the user in the visual prop editor The object is defined by the visual prop types. See VisualPropEditorDefinition. If there is any local state specific to charts needs to be maintained on save answer, store it in VisualProps, with visualProps.clientState variable. The clientState variable should be a string, preferrably a result of JSON.stringify(yourlocalClientState).
Defined in : link:https://github.com/thoughtspot/ts-chart-sdk/blob/f477c20/src/types/common.types.ts#L217