> ## Documentation Index
> Fetch the complete documentation index at: https://docs.gobl.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Envelope

Envelope wraps around a document adding headers and digital signatures.

## Schema ID

`https://gobl.org/draft-0/envelope`

## Properties

| Title          | Property  | Type                                               | Description                                                                  |
| -------------- | --------- | -------------------------------------------------- | ---------------------------------------------------------------------------- |
| JSON Schema ID | `$schema` | string                                             | Schema identifies the schema that should be used to understand this document |
| Header         | `head`    | [head.Header](/draft-0/head/header)                | Details on what the contents are                                             |
| Document       | `doc`     | [schema.Object](/draft-0/schema/object)            | The data inside the envelope                                                 |
| Signatures     | `sigs`    | array of [dsig.Signature](/draft-0/dsig/signature) | JSON Web Signatures of the header                                            |