...
When pressing the "create" button on the bottom a popup screen will show from which the user can input the desired information for creating a new annotation.
For each configured annotation property there will be an input field created automatically.
For a plain string property like "freeText" below a text input field is used.
For an enumeration property a dropdown is used.
When an enumeration property with constraints is used and the property on which the constraints are based is already filled in then only the valid enumeration values will be shown in the dropdown:
Edit, copy and delete
...