In this step, you will create an Arcade expression that will generate the symbology requested by the street superintendent. This expression will evaluate the score for each street segment and place it into the desired categories of poor, fair, and good:
- In the Catalog pane, select the Street_Centerline layer so that the Feature Layer contextual group tab appears, containing the Appearance, Labeling, and Data tabs.
- Click on the Appearance tab in the ribbon. Then, click on the Symbology drop-down arrow and select Unique Values, as in the following screenshot. This will open the Symbology pane:
- Next, click on the Set an expression button, located to the far right of the Field 1 options, as illustrated in the following screenshot. This will open the Expression Builder window:
- In the cell located...