Attachment

Base resource for file, item, and reference attachments. Use the @odata.type property to specify the derived type.

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Properties

Name	Type	Description
@odata.type	string	The OData type of the attachment. Use #microsoft.graph.fileAttachment for file attachments or #microsoft.graph.itemAttachment for item attachments.
id	string	The unique identifier of the attachment. Read-only.
name	string	The display name of the attachment.
contentType	string	The MIME type of the attachment.
size	integer	The length of the attachment in bytes.
isInline	boolean	True if the attachment is an inline attachment.
lastModifiedDateTime	string	The date and time the attachment was last modified in UTC.
contentBytes	string	The base64-encoded contents of the file. Only applicable for fileAttachment.
contentId	string	The ID of the attachment in the Exchange store. Only applicable for fileAttachment.
contentLocation	string	The Uniform Resource Identifier (URI) corresponding to the location of the content of the attachment.

View JSON Schema on GitHub

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Attachment",
  "type": "object",
  "description": "Base resource for file, item, and reference attachments. Use the @odata.type property to specify the derived type.",
  "properties": {
    "@odata.type": {
      "type": "string",
      "description": "The OData type of the attachment. Use #microsoft.graph.fileAttachment for file attachments or #microsoft.graph.itemAttachment for item attachments."
    },
    "id": {
      "type": "string",
      "description": "The unique identifier of the attachment. Read-only."
    },
    "name": {
      "type": "string",
      "description": "The display name of the attachment."
    },
    "contentType": {
      "type": "string",
      "description": "The MIME type of the attachment."
    },
    "size": {
      "type": "integer",
      "description": "The length of the attachment in bytes."
    },
    "isInline": {
      "type": "boolean",
      "description": "True if the attachment is an inline attachment."
    },
    "lastModifiedDateTime": {
      "type": "string",
      "description": "The date and time the attachment was last modified in UTC."
    },
    "contentBytes": {
      "type": "string",
      "description": "The base64-encoded contents of the file. Only applicable for fileAttachment."
    },
    "contentId": {
      "type": "string",
      "description": "The ID of the attachment in the Exchange store. Only applicable for fileAttachment."
    },
    "contentLocation": {
      "type": "string",
      "description": "The Uniform Resource Identifier (URI) corresponding to the location of the content of the attachment."
    }
  }
}