hl7

{
  "schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://hl7.erp.uno/schema/Attachment.schema.json",
  "$ref": "#/definitions/Attachment",
  "description": "see https://hl7.org/fhir/R5/json.html for information about the FHIR Json Schemas",
  "definitions": {
    "Attachment": {
      "allOf": [
        {
          "description": "For referring to data content defined in other formats.",
          "properties": {
            "contentType": {
              "description": "Identifies the type of the data in the attachment and allows a method to be chosen to interpret or render the data. Includes mime type parameters such as charset where appropriate.",
              "type": "string",
              "pattern": "[^\\s]+([\\s]?[^\\s]+)*"
            },
            "language": {
              "description": "The human language of the content. The value can be any valid value according to BCP 47.",
              "type": "string",
              "pattern": "[^\\s]+([\\s]?[^\\s]+)*"
            },
            "data": {
              "description": "The actual data of the attachment - a sequence of bytes. In XML, represented using base64.",
              "type": "string"
            },
            "url": {
              "description": "An alternative location where the data can be accessed.",
              "type": "string"
            },
            "size": {
              "description": "The number of bytes of data that make up this attachment (before base64 encoding, if that is done).",
              "type": "number",
              "pattern": "[0]|([1-9][0-9]*)"
            },
            "hash": {
              "description": "The calculated hash of the data using SHA-1. Represented using base64.",
              "type": "string"
            },
            "title": {
              "description": "A label or set of text to display in place of the data.",
              "type": "string"
            },
            "creation": {
              "description": "The date that the attachment was first created.",
              "type": "string",
              "pattern": "-?[0-9]{4}(-(0[1-9]|1[0-2])(-(0[0-9]|[1-2][0-9]|3[0-1])(T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9](\\.[0-9]+)?(Z|(\\+|-)((0[0-9]|1[0-3]):[0-5][0-9]|14:00)))?)?)?"
            }
          }
        }
      ]
    }
  }
}