add missing proterty

types/canvasjs/index.d.ts

@@ -1603,6 +1603,12 @@ declare namespace CanvasJS {
          * Example: true, false
          */
         connectNullData?: boolean;
+        /**
+         * Sets the Line Dash Type for all Line and Area Charts.
+         * Default: solid
+         * Example: “dot”, “dash”, etc.
+         */
+        lineDashType? : string;
         /**
          * Sets the Line Dash Type of line wherever null data is present.
          * Note: