return either a array with following fields or (for historical reasons) return a string with index/header description:


index	array	fields to display on index screen, each array entry is splitted in table <td> segments
index_header	array	the corresponding header array for index table view
bsclass	string	bootstrap class of table segments	'success', 'warning', 'danger', 'info'
header	string	string to display in headline for relation context (real breadcrumbs headline ) entries in relational blades

Tree View

Requirements

parent_id in table

index_tree_view = true in Controller of the MVC

defined parent() and childen() function in model

view_index_label function

set icon type via $model->get_icon_type()

make entries undeletable via Model::undeletables()