result

The result of an evaluation of PopupExpressionEvaluation.popupExpression. The type of result object is a String, a Number, or a Dictionary based on the PopupExpression.returnType. Dictionary return type is only supported for popup expressions coming from an ExpressionPopupElement. In this case, the dictionary must follow the Web Map Specification for a popupElement. Refer to Popup Element[https://developers.arcgis.com/arcade/profiles/popup-element/] for more details.