-});</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>fn</code> : Function<div class="sub-desc"></div></li><li><code>scope</code> : Object<div class="sub-desc">(optional)</div></li></ul><strong>Returns:</strong><ul><li><code>Array</code><div class="sub-desc">result</div></li></ul></div></div></div></td><td class="msource">ColumnModel</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.grid.ColumnModel-getDataIndex"></a><b><a href="source/ColumnModel.html#method-Ext.grid.ColumnModel-getDataIndex">getDataIndex</a></b>( <code>Number col</code> )\r
+});</code></pre><div class="mdetail-params"><strong>Parameters:</strong><ul><li><code>fn</code> : Function<div class="sub-desc">A function which, when passed a <a href="output/Ext.grid.Column.html" ext:cls="Ext.grid.Column">Column</a> object, must
+return <code>true</code> if the column is to be included in the returned Array.</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (<code>this</code> reference) in which the function
+is executed. Defaults to this ColumnModel.</div></li></ul><strong>Returns:</strong><ul><li><code>Array</code><div class="sub-desc">result</div></li></ul></div></div></div></td><td class="msource">ColumnModel</td></tr><tr class="method-row expandable "><td class="micon"><a href="#expand" class="exi"> </a></td><td class="sig"><a id="Ext.grid.ColumnModel-getDataIndex"></a><b><a href="source/ColumnModel.html#method-Ext.grid.ColumnModel-getDataIndex">getDataIndex</a></b>( <code>Number col</code> )\r