If you are looking to create your line chart you will have to follow a few quick steps to set this up and select your desired metrics.
1. Select the source you want to create the chart for and drag the line chart (or area chart) widget onto the report:
2. Resize your widget to fit your needs by hovering over and dragging it to either side:
3. Click on the chart to bring up the setup menu on the right-hand side and click on the metric to change it:
For more information about how to use line and area charts, please see the video below: