cess and set the search filter from outside the directive.
					<br />This can be done by settings the "search-filter" attribute.
					<br />
				</div>
			</div>
			<div class="row">
				<div class="col-xs-12 col-sm-6">
					<h3>Demo</h3>
					<div class="well">
						<div>
							<div ng-dropdown-multiselect search-filter="customFilter" options="example15data" selected-model="example15model" extra-settings="example15settings"></div>
						</div>
					</div>
				</div>
				<div class="col-xs-12 col-sm-6">
