Flow annotations help teams document decisions, call out requirements, and add context directly on flow boards. You can use them to explain logic, highlight edge cases, track assumptions, or communicate implementation details as your flow evolves.

To add an annotation on your flow, open your flow board and click the Annotation button in the toolbar at the bottom, then click anywhere on the canvas to place the annotation. You can use connectors to connect your annotations to screens, shapes, and vice versa.

By default, new annotations appear as a yellow “sticky note”. Once you assign a type, it will turn into an annotation, and the background color will automatically update to match that type.

Flow annotations support the same annotation types you use on screens—such as Behavior, Requirement, API, and other custom annotation types you set for the project or the workspace.

Flow annotations can be customized to better match your workflows and preferences.

You can change an annotation's type from the Flow Annotations options menu that appears at the top once you click on the annotation. Once you change the type, the background color of the annotation will change to match the updated type. You can change the background color later from the options menu.

You can resize an annotation horizontally by hovering near its right edge, then selecting and dragging the "II" handle that appears.

All annotations have a signature by default. If you'd like, you can remove or re-add your signature from the options menu.

You can select between different font sizes and styles from the options menu under "Aa".

To delete an annotation, you can click on the “⋯” button on the options menu and select "Delete" from the dropdown.