Click on the Selectbutton of the Attribute Browser window, and then click on the Select Junction menu. Select the model junction for the demand change.
Click on the Demand Changebutton on the Surge toolbar. The Junction Demand Change Data dialog box appears on the screen.
Choose either an existing Demand Change Curve from the drop-down list or click on the Browse Browse button to the right to create a new curve or edit an existing one.
Click on the Create button to close the Demand Change dialog box.