Function addAttachment

addAttachment(
    envelope: Envelope,
    payload: EnvelopeInput,
    vendor: string,
    conformsTo?: string,
): Envelope
Adds an attachment to an envelope.
Parameters
- envelope: Envelope
- payload: EnvelopeInput
- vendor: string
- OptionalconformsTo: string
Returns Envelope
- Defined in extension/attachment.ts:163