Variable: DEFAULT_SEND_ICON
ts
const DEFAULT_SEND_ICON: "<svg viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\">\n <path d=\"M22 2L11 13M22 2L15 22L11 13M22 2L2 9L11 13\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"/>\n</svg>";Default send button icon (paper plane)