# `@gradio/button` ```html ``` BaseChatBot ```javascript export let value: | [ string | { file: FileData; alt_text: string | null } | null, string | { file: FileData; alt_text: string | null } | null ][] | null; let old_value: | [ string | { file: FileData; alt_text: string | null } | null, string | { file: FileData; alt_text: string | null } | null ][] | null = null; export let latex_delimiters: { left: string; right: string; display: boolean; }[]; export let pending_message = false; export let selectable = false; export let likeable = false; export let show_share_button = false; export let rtl = false; export let show_copy_button = false; export let avatar_images: [string | null, string | null] = [null, null]; export let sanitize_html = true; export let bubble_full_width = true; export let render_markdown = true; export let line_breaks = true; export let root: string; export let root_url: null | string; export let i18n: I18nFormatter; export let layout: "bubble" | "panel" = "bubble"; ```