<tags-input ng-model="selectedBodyParts" class="ui-tags-input" add-on-paste="true">
      <auto-complete source="loadBodyParts($query)" min-length="0" load-on-focus="true">

      </auto-complete>
</tags-input>

$scope.loadBodyParts = function ($query){
        var bodypartList = angular.copy($scope.bodyParts);
        return bodypartList.filter(function(bodypart) {
            return bodypart.bodyPartName.toLowerCase().indexOf($query.toLowerCase()) !== -1;
        });
};