Contacts Database API description for the GPE contacts database. This section documents the GPE contacts database API. The current implementation of the database makes use of the SQLite in-process database engine for data storage. @open_vcard: @Returns: @open_vcard: @Returns: @Returns: @tag: @value: @Param1: @Param2: @Returns: @Param1: @t: @value: @id: @name: @family_name: @company: @data: @Returns: @Param1: @Returns: @Param1: @Param1: @tag: @value: @p: @tag: @Returns: @Returns: @str: @cat: @Returns: @name: @cat: @Returns: @str: @filter: @cat: @Returns: @uid: @Returns: @uid: @Returns: @p: @tag: @value: @p: @tag: @list: @Returns: @group: @list: @Returns: @group: @identifier: @value: @group: @identifier: @group: @identifier: @value: @group: @tagname: @Returns: @table: @a: @b: @Returns: @Returns: @Returns: