Create Chart Filter

1. Enter edit mode of the dashboard and click the setting icon of the chart

1. Click the "Filter" tab on the Visualization Setting

1. Click add filter and enter your condition. Here we add a filter to see only city names that begins with "D". Then ""Create

1. Great. Now, we only see Des Moines. Also notice that we have a page filter and a chart filter in place at the same time because of inheritance.