'address_type' => array('type' => 'varchar', 'length' => 8, 'not null' => true, 'description' => 'address type ("email", "xmpp", "sms")'),
'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
'registered_user_id' => array('type' => 'int', 'not null' => false, 'description' => 'if the invitation is converted, who the new user is'),
'address_type' => array('type' => 'varchar', 'length' => 8, 'not null' => true, 'description' => 'address type ("email", "xmpp", "sms")'),
'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
'registered_user_id' => array('type' => 'int', 'not null' => false, 'description' => 'if the invitation is converted, who the new user is'),