External identifier may be added for a collection event, a collection specimen, a part of a collection specimen, an organism (= identification unit), a reference or a transaction. To add an external identifier, select the entry it should be attached to and click on the button. A window as shown below will open.
Select the type of the identifier, enter the identifier itself and close the form to save the identifier. To remove an identifier use the button.
To administrate the types of external identifiers choose Administration - External identifier ... from the menu. A window as shown below will open listing the available types.
To add or remove a certain type, use the and buttons. To edit the relations between the identifiers use the resp. button.
Data for the external identifiers are stored in the table ExternalIdentifier. In an upcoming version these data will be transferred into new tables (Identifier, IdentifierForEvent etc.).