diff --git a/api/@internal/component/ets/grid.d.ts b/api/@internal/component/ets/grid.d.ts
index c214e94334d0c5d8b4f6468ef2ec2b3e0b7c0f06..fb54634f35b985a9b9bedea76e1134248687a435 100644
--- a/api/@internal/component/ets/grid.d.ts
+++ b/api/@internal/component/ets/grid.d.ts
@@ -100,6 +100,12 @@ declare class GridAttribute extends CommonMethod<GridAttribute> {
    */
   editMode(value: boolean): GridAttribute;
 
+  /**
+   * Called when judging whether it is multiSelectable.
+   * @since 8
+   */
+  multiSelectable(value: boolean): GridAttribute;
+
   /**
    * maxCount
    * @since 8
diff --git a/api/@internal/component/ets/gridItem.d.ts b/api/@internal/component/ets/gridItem.d.ts
index 53e7a83444f4577d1b6a647fe7ff872adc2127dd..e7e3b709d54b119c80faf91b910713ce1d7e1ef0 100644
--- a/api/@internal/component/ets/gridItem.d.ts
+++ b/api/@internal/component/ets/gridItem.d.ts
@@ -58,6 +58,19 @@ declare class GridItemAttribute extends CommonMethod<GridItemAttribute> {
    * @since 7
    */
   forceRebuild(value: boolean): GridItemAttribute;
+
+  /**
+   * Called when judging whether it is selectable.
+   * @since 8
+   */
+  selectable(value: boolean): GridItemAttribute;
+
+  /**
+   * Called when the gridItem is selected.
+   * @since 8
+   */
+  onSelect(event: (isSelected: boolean) => void): GridItemAttribute;
+  }
 }
 
 declare const GridItem: GridItemInterface
diff --git a/api/@internal/component/ets/list.d.ts b/api/@internal/component/ets/list.d.ts
index ce515c78a0c8c8be9e3c49bd929ab8ce0aaf2310..8470f64a9b3a7f0d177c389ee4c49af0cba0d9e2 100644
--- a/api/@internal/component/ets/list.d.ts
+++ b/api/@internal/component/ets/list.d.ts
@@ -92,6 +92,12 @@ declare class ListAttribute extends CommonMethod<ListAttribute> {
    */
   editMode(value: boolean): ListAttribute;
 
+  /**
+   * Called when judging whether it is multiSelectable.
+   * @since 8
+   */
+  multiSelectable(value: boolean): ListAttribute;
+
   /**
    * Called when the minimum number of list item caches is set for long list deferred loading.
    * @since 7
diff --git a/api/@internal/component/ets/listItem.d.ts b/api/@internal/component/ets/listItem.d.ts
index 2f639959ec9ee562d6a08b1d89ff3d8be1a565bb..96b1afa40ca04b93d1eaad56538f3b031a10ec81 100644
--- a/api/@internal/component/ets/listItem.d.ts
+++ b/api/@internal/component/ets/listItem.d.ts
@@ -94,6 +94,18 @@ declare class ListItemAttribute extends CommonMethod<ListItemAttribute> {
    * @since 7
    */
   editable(value: boolean | EditMode): ListItemAttribute;
+
+  /**
+   * Called when judging whether it is selectable.
+   * @since 8
+   */
+  selectable(value: boolean): ListItemAttribute;
+
+  /**
+   * Called when the listItem is selected.
+   * @since 8
+   */
+  onSelect(event: (isSelected: boolean) => void): ListItemAttribute;
 }
 
 /**