
					label: 'My Tab',
					accessKey: 'M',
					elements: [
						{
							id: 'myField1',
							type: 'text',
							label: 'My Text Field'
						},
						{
							id: 'myField2',
							type: 'text',
							label: 'Another Text Field'
						}
					]
				});

				// Provide the focus handler to start initial focus in "customField" field.
				dialogDefinition.onFocus = function() {
					var urlField = this.getContentElement( 'tab1', 'customField' );
					urlField.select();
				};
			}