Deleting an attribute definition

 Proceed as follows to delete an existing attribute definition (mayor) for a type definition (city) in a wiki (geography).

1. Show the table of all wiki pages which use the type tag city in the geography wiki.
2. To do so, either click the type tag city of a wiki page in the geography wiki or navigate to it via Wikis -> geography -> city.
3. Make sure that you have write rights for the wiki.
4. Click the pencil icon which is shown in the header of the mayor column. You may have to scroll horizontally to view the column.
5. A window appears, in which you can change the attribute definition.
6. Select Delete to delete the attribute definition.
7. A confirmation window appears, in which you can choose whether to delete all attributes with that name in the wiki.
8. Confirm the deletion of the attribute definition and, if applicable, the attributes, by clicking OK.