fileAttachment resource type

Namespace: microsoft.graph

Important

APIs under the /beta version in Microsoft Graph are subject to change. Use of these APIs in production applications is not supported. To determine whether an API is available in v1.0, use the Version selector.

Caution

Outlook tasks is deprecated and stopped returning data on August 10, 2022. Update existing apps that use this feature with Outlook tasks.

A file (such as a text file or Word document) attached to a user event, message, Outlook task, or post.

When creating a file attachment, include the following in the request body:

• "@odata.type": "#microsoft.graph.fileAttachment"
• The required properties name and contentBytes.

Derived from attachment.

Note

Make sure to encode the file content in base64 before assigning it to contentBytes.

Methods

Method	Return Type	Description
Get attachment	fileAttachment	Read the properties, relationships, or raw contents of a fileAttachment object.
Delete attachment	None	Delete a fileAttachment object.

Properties

Property	Type	Description
contentBytes	Edm.Binary	The base64-encoded contents of the file.
contentId	String	The ID of the attachment in the Exchange store.
contentLocation	String	Don't use this property as it isn't supported.
contentType	String	The content type of the attachment.
id	String	The attachment ID.
isInline	Boolean	Set to true if this is an inline attachment.
lastModifiedDateTime	DateTimeOffset	The date and time when the attachment was last modified.
name	String	The name representing the text that is displayed below the icon representing the embedded attachment. This doesn't need to be the actual file name.
size	Int32	The size in bytes of the attachment.

Relationships

None.

JSON representation

The following JSON representation shows the resource type.

{
  "contentBytes": "string (binary)",
  "contentId": "string",
  "contentLocation": "string",
  "contentType": "string",
  "id": "string (identifier)",
  "isInline": true,
  "lastModifiedDateTime": "String (timestamp)",
  "name": "string",
  "size": "Int32"
}