Fixed #501 - Add id property to MultiSelect

src/components/multiselect/MultiSelect.d.ts

@@ -1,6 +1,7 @@
 import Vue, {VNode} from 'vue';
 
 export declare class MultiSelect extends Vue {
+    id?: string;
     modelValue?: any;
     options?: any[];
     optionLabel?: string;

src/views/multiselect/MultiSelectDoc.vue

@@ -84,6 +84,12 @@ data() {
                             </tr>
 						</thead>
 						<tbody>
+                            <tr>
+                                <td>id</td>
+                                <td>string</td>
+                                <td>null</td>
+                                <td>Unique identifier of the element.</td>
+                            </tr>
                             <tr>
                                 <td>modelValue</td>
                                 <td>any</td>