.. include:: /Includes.rst.txt .. _columns-select-properties-exclusivekeys: ============= exclusiveKeys ============= .. confval:: exclusiveKeys :name: select-exclusiveKeys :Path: $GLOBALS['TCA'][$table]['columns'][$field]['config'] :type: string (list of) :Scope: Display / Proc. :RenderType: all List of keys that exclude any other keys in a select box where multiple items could be selected. .. note:: The property :php:`exclusiveKeys` is not available for all select types, only for the renderTypes selectMultipleSideBySide and selectTree. Examples ======== .. _tca_example_select_multiplesidebyside_2: Side-by-side select with two exclusive items -------------------------------------------- .. include:: /Images/Rst/SelectMultiplesidebyside1.rst.txt .. include:: /CodeSnippets/SelectMultiplesidebyside2.rst.txt