update animation event to include inital variable (#9834)

diff --git a/types/animation.d.ts b/types/animation.d.ts
index 8eff8baac43feb2927c352e74edf42ac3572063c..593b745d954d44bae79dfd270eb44323c682b3c7 100644 (file)
--- a/types/animation.d.ts
+++ b/types/animation.d.ts
@@ -12,6 +12,7 @@ export class Animation {
 export interface AnimationEvent {
        chart: Chart;
        numSteps: number;
+       initial: boolean;
        currentState: number;
 }