# Interface: ExtendedPlugin<TType, O, Model>
# Type parameters
| Name | Type | 
|---|---|
| TType | extends ChartType | 
| O | AnyObject | 
| Model | TooltipModel<TType> | 
# Hierarchy
- ExtendedPlugin- ↳ - Plugin
# Methods
# afterTooltipDraw
▸ Optional afterTooltipDraw(chart, args, options): void
desc Called after drawing the tooltip. Note that this hook will not
be called if the tooltip drawing has been previously cancelled.
# Parameters
| Name | Type | Description | 
|---|---|---|
| chart | Chart<keyofChartTypeRegistry, (number|ScatterDataPoint|BubbleDataPoint)[],unknown> | The chart instance. | 
| args | Object | The call arguments. | 
| args.tooltip | Model | The tooltip. | 
| options | O | The plugin options. | 
# Returns
void
# Defined in
index.esm.d.ts:2601 (opens new window)
# beforeTooltipDraw
▸ Optional beforeTooltipDraw(chart, args, options): boolean | void
desc Called before drawing the tooltip. If any plugin returns false,
the tooltip drawing is cancelled until another render is triggered.
# Parameters
| Name | Type | Description | 
|---|---|---|
| chart | Chart<keyofChartTypeRegistry, (number|ScatterDataPoint|BubbleDataPoint)[],unknown> | The chart instance. | 
| args | Object | The call arguments. | 
| args.tooltip | Model | The tooltip. | 
| options | O | The plugin options. | 
# Returns
boolean | void
false to cancel the chart tooltip drawing.