title: Welcome to swimlanes.io
One -> Two: Message
note:
**swimlanes.io** is a simple online tool for creating _sequence diagrams_.
Edit the text to the left to update the diagram.
**Copy the url** to save or share the diagram, _note that the url changes whenever you update the diagram_.
Or `Sign in {fa-sign-in-alt}` to create an account and collect all of your diagrams.
Two -> Two: To self
Two -->> Three: _Notification_
Two -> One: `ok`
note: See **[full syntax overview](/gallery/full-syntax)** for more details
Welcome to swimlanes.io
swimlanes.io is a simple online tool for creating sequence diagrams.
Edit the text to the left to update the diagram.
Copy the url to save or share the diagram, note that the url changes whenever you update the diagram.
Or Sign in
to create an account and collect all of your diagrams.
See full syntax overview for more details