Display / Proc.
A selector is used to show all possible child records that could be used to create a relation with the parent record. It will be rendered as a multi-select-box. On clicking on an item inside the selector a new relation is created. The
foreign_selectorpoints to a field of the foreign_table that is responsible for providing a selector-box – this field on the
foreign_tableusually is of type select and also has a
In most cases you must assign the field
foreign_selector. This field name is used as a convention for the child record of the intermediate table. The automatic generation of MM tables also uses this field name. It depends whether
uid_localof the MM table points to the opposite table (of the perspective of your inline field). In case of the opposite direction the field name
uid_foreignis usually used.