Use the Name edit box to set the unique name.

Field Names
To set field(s) as unique, just simply double-click the Field Names field or click to open the editor(s) for editing.

Select the field(s) from the list. To remove the fields from the unique, uncheck them in the same way. You can also use the arrow buttons to change the unique field(s) order.

Tablespace
Allows setting a tablespace different from the default tablespace.

The Comment edit box defines the comment for the unique.