smartform/ColumnLayout If this layout is used in a <code>SmartForm</code> control, a <code>ColumnLayout</code> control is used to render the <code>Form</code> control. <b>Note:</b> If this layout is used, the <code>useHorizontalLayout</code> property of the <code>SmartForm</code> control must not be set. 1.56.0 sap.ui.core/Element Number of columns for extra-large size. The number of columns for extra-large size must not be smaller than the number of columns for large size. Number of columns for large size. The number of columns for large size must not be smaller than the number of columns for medium size. Number of columns for medium size. Defines how many cells a label uses if the column is large. Defines how many cells are empty at the end of a row. This could be used to keep the fields small on large screens.