AdminListAutocomplete::setAutocompleteField PHP Method

    public function setAutocompleteField($acdata)
    {
        $this->autocompleteField = $acdata;
    }

 public function actionList()
 {
     $admin = new AdminListAutocomplete(CommonMedications::model(), $this);
     $admin->setModelDisplayName('Common Medications List');
     $admin->setListFields(array('id', 'medication_drug.name'));
     $admin->setCustomDeleteURL('/oeadmin/CommonMedications/delete');
     $admin->setCustomSaveURL('/oeadmin/CommonMedications/add');
     $admin->setAutocompleteField(array('fieldName' => 'medication_id', 'jsonURL' => '/oeadmin/CommonMedications/search', 'placeholder' => 'search for medication drug'));
     $admin->listModel();
 }