# Waterfall chart

A waterfall chart is a bar chart that displays the cumulative effect of sequentially introduced positive or negative values. It is used to understand how an initial value is affected by a series of intermediate values. Double-click a bar to drill down into your data.

![Waterfall chart](https://591371677-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFgwF7oC7Y6b7XWdahykf%2Fuploads%2Fgit-blob-bd7e105b0a7991a4b5f1b67952114a45d8c6029a%2FPAZ%20Waterfall%20chart.png?alt=media)

Optional Properties for Waterfall Charts

| Property            | Definition                                                                                                                                             | Available In     |
| ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------ | ---------------- |
| **Water-Direction** | Use this property to change the direction of the waterfall to up or down.                                                                              | Waterfall charts |
| **Data Labels**     | Use this property to label the data features of your report and specify where you want them to appear. You can also choose not to display data labels. | Waterfall charts |