You can use item attributes.
ITEM_ATTRIBUTE_NONE,
ITEM_ATTRIBUTE_ACTIONID = 1 << 0,
ITEM_ATTRIBUTE_UNIQUEID = 1 << 1,
ITEM_ATTRIBUTE_DESCRIPTION = 1 << 2,
ITEM_ATTRIBUTE_TEXT = 1 << 3,
ITEM_ATTRIBUTE_DATE = 1 << 4,
ITEM_ATTRIBUTE_WRITER = 1 << 5,
ITEM_ATTRIBUTE_NAME = 1 << 6...