Class

AttachmentBuilder

File attachment for files: [builder] send paths.

Constructor

new AttachmentBuilder(file: AttachmentFileInput, options: AttachmentBuilderOptions)

Name	Type	Description
attachmentread-only	`Blob \| ArrayBuffer \| Uint8Array \| null`	Local file bytes when constructed with a buffer/blob.
description?	`string \| null`	Alt text / description for accessibility.
filenameread-only	`string`	Filename alias used by send helpers (same as name).
name	`string`	Display / upload name (may include `SPOILER_` prefix).
spoiler	`boolean`	Whether this attachment should be hidden until clicked.
urlread-only	`string \| null`	Remote URL when constructed with a string URL.

description: string | null → this

attachmentBuilder.setDescription(description);

name: string → this

attachmentBuilder.setName(name);

spoiler: boolean → this

attachmentBuilder.setSpoiler(spoiler);

→ | { name: string; data: Blob | ArrayBuffer | Uint8Array; filename: string } | { name: string; url: string; filename: string }

Convert to the { name, data | url } shape used by message send helpers.

attachmentBuilder.toFileData();