.. include:: /Includes.rst.txt .. _columns-category-properties: ========================= Category field properties ========================= Special properties ================== .. toctree:: Default ExclusiveKeys Relationship TreeConfig ForeignTable ForeignTablePrefix ForeignTableWhere Mm Common properties ================= * :ref:`maxitems ` * :ref:`minitems ` * :ref:`readOnly ` * :ref:`size ` maximal number of elements to be displayed by default