The discriminator every inbox row carries in its kind column.
A store writes it on every row and requires it in the where of every
read, so a business document that shares the inbox's entity is never read,
listed, counted, released or purged as an inbox row.
The discriminator every inbox row carries in its
kindcolumn.A store writes it on every row and requires it in the
whereof every read, so a business document that shares the inbox's entity is never read, listed, counted, released or purged as an inbox row.