Method: addConditionalJoin($join)

Add a conditional join to your list query, eg: LEFT JOIN `user` ON (`user`.`user_id` = `document`.`owner_id`)

The will allow you to query your list object in more involved ways, filtering on text in tables joined to the primary by foreign keys.

Arguments:

$join (STRING)

Example:

$obj_list->addConditionalJoin(' LEFT JOIN `user` ON (`user`.`user_id` = `document`.`owner_id`) ');