What is it?
When you use an Event to trigger a workflow, you often want to pass in values from that event to give the workflow some context. This is referred to as binding or mapping.
This enables you to use the data from the event within the workflow to do many things. For example, you may use it as a parameter in an IF statement.
Configuration
Once you have your visual workflow set up, built, and saved, you can start thinking about what triggers it. To configure triggers, navigate to the Triggers tab in the Workflow blade.

You can add a new trigger to your workflow by choosing the Work Item/Type/Path it will trigger. You are shown a blade with various ShareDo events when you choose the event trigger type.

This blade now has a new Event Info blade, which can be accessed by clicking the ‘i’ information tooltip. This new blade shows the data fields and their types that can be mapped when using this event.
Additionally, if a particular data field is a collection, an icon will be displayed to show this:
