Attachment - GOBL

An Attachment provides a structure to be used to attach documents inside a GOBL document, either as a reference via a URL, or directly as a base64 encoded string.

Schema ID

https://gobl.org/draft-0/org/attachment

Properties

Title	Property	Type	Description
UUID	`uuid`	string	Universally Unique Identifier.
Key	`key`	cbc.Key	Key used to identify the attachment inside the document.
Code	`code`	cbc.Code	Code used to identify the payload of the attachment.
Name	`name`	string	Filename of the attachment. Overrides the name retrieved from the URL.
Description	`description`	string	Why the attachment is included and what it contains.
URL	`url`	string	URL of where to find the attachment.
Digest	`digest`	dsig.Digest	Used to verify the integrity of the attachment when downloaded from the URL.
MIME Type	`mime`	string	MIME type of the attachment.

Validation Rules

Field	Test	Validation Code / Message
`url`	Present Url	`GOBL-ORG-ATTACHMENT-01` Attachment URL must be valid
`mime`	One of [application/pdf, image/jpeg, image/png, text/csv, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.oasis.opendocument.spreadsheet]	`GOBL-ORG-ATTACHMENT-02` Attachment MIME type must be of an expected types defined in EN16931-1:2017