angular signal update

this.notices.update((notices) => {
      const index = notices.findIndex((notice) => notice.id === updated.id);
      notices[index].isPinned = updated.isPinned;
      return notices;
    });

 selectedPage(ev: any) {
    this.pageInfo.update((pageInfo) => {
      return { ...pageInfo, currentPage: ev };
    });
  }