This image displays the On Click dialog box. On the extreme left is the green button which says Connector Call. Below is the button are three drop down menus: Connector, Resource, and Operation which is used to select the connector that you want to call. Below that are the Query Parameters and then the field to determine where will the response data get saved. Right at the bottom is a button which has a red border and a red text which reads: +Error Handler. On the top right corner of the box are the Delete and Upward icons and on the bottom right corner are the OK and Cancel Buttons.