me.message

Create message (draft)

Create a draft of a new message in either JSON or MIME format. When using JSON format, you can include an attachment in the same createMessage call. Use this to save a draft to the Drafts folder, then send it later.

post/me/messages

Request body

@odata.typestring

idstring

The unique identifier for an entity. Read-only

changeKeystring nullable

Identifies the version of the item. Every time the item is changed, changeKey changes as well. This allows Exchange to apply changes to the correct version of the object. Read-only

lastModifiedDateTimestring date-time nullable

The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z

createdDateTimestring date-time nullable

The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z

categoriesstring[]

The categories associated with the item

parentFolderIdstring nullable

The unique identifier for the message's parent mailFolder

subjectstring nullable

The subject of the message

webLinkstring nullable

The URL to open the message in Outlook on the web

isDraftboolean nullable

Indicates whether the message is a draft. A message is a draft if it hasn't been sent yet

isReadboolean nullable

Indicates whether the message has been read

bodyPreviewstring nullable

The first 255 characters of the message body. It is in text format

internetMessageIdstring nullable

The message ID in the format specified by RFC2822

isReadReceiptRequestedboolean nullable

Indicates whether a read receipt is requested for the message

hasAttachmentsboolean nullable

Indicates whether the message has attachments. This property doesn't include inline attachments, so if a message contains only inline attachments, this property is false

sentDateTimestring date-time nullable

The date and time the message was sent. The date and time information uses ISO 8601 format and is always in UTC time

conversationIndexstring base64url nullable

Indicates the position of the message within the conversation

conversationIdstring nullable

The ID of the conversation the email belongs to

receivedDateTimestring date-time nullable

The date and time the message was received. The date and time information uses ISO 8601 format and is always in UTC time

isDeliveryReceiptRequestedboolean nullable

Indicates whether a read receipt is requested for the message

Response

Created message draft

@odata.typestring

idstring

The unique identifier for an entity. Read-only

changeKeystring nullable

Identifies the version of the item. Every time the item is changed, changeKey changes as well. This allows Exchange to apply changes to the correct version of the object. Read-only

lastModifiedDateTimestring date-time nullable

The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z

createdDateTimestring date-time nullable

The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z

categoriesstring[]

The categories associated with the item

parentFolderIdstring nullable

The unique identifier for the message's parent mailFolder

subjectstring nullable

The subject of the message

webLinkstring nullable

The URL to open the message in Outlook on the web

isDraftboolean nullable

Indicates whether the message is a draft. A message is a draft if it hasn't been sent yet

isReadboolean nullable

Indicates whether the message has been read

bodyPreviewstring nullable

The first 255 characters of the message body. It is in text format

internetMessageIdstring nullable

The message ID in the format specified by RFC2822

isReadReceiptRequestedboolean nullable

Indicates whether a read receipt is requested for the message

hasAttachmentsboolean nullable

Indicates whether the message has attachments. This property doesn't include inline attachments, so if a message contains only inline attachments, this property is false

sentDateTimestring date-time nullable

The date and time the message was sent. The date and time information uses ISO 8601 format and is always in UTC time

conversationIndexstring base64url nullable

Indicates the position of the message within the conversation

conversationIdstring nullable

The ID of the conversation the email belongs to

receivedDateTimestring date-time nullable

The date and time the message was received. The date and time information uses ISO 8601 format and is always in UTC time

isDeliveryReceiptRequestedboolean nullable

Indicates whether a read receipt is requested for the message

Changes

Changed in 4 of the 10 revisions of this API.296

Jul 17, 2026af62694b9f2d2See the full diff
- ○
  added the new optional request property allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/contentBytes
  new-optional-request-property
- ○
  added the optional property allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/contentBytes to the response with the 2XX status
  response-optional-property-added
May 27, 2026354d90657cdd1See the full diff
- ○
  api operation id me.CreateMessages removed and replaced with createDraftMessage
  api-operation-id-removed
May 26, 20265c775c50414c46See the full diff
- ○
  mapped value for discriminator key #microsoft.graph.attachment changed from microsoft.graph.attachment to MicrosoftGraphAttachment for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.attachment changed from microsoft.graph.attachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.attachment changed from microsoft.graph.attachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.eventMessage changed from microsoft.graph.message to MicrosoftGraphMessage for allOf[subschema #2: message]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from microsoft.graph.fileAttachment to MicrosoftGraphAttachment for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from microsoft.graph.fileAttachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from microsoft.graph.fileAttachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from microsoft.graph.fileAttachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.itemAttachment changed from microsoft.graph.attachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailFolder changed from microsoft.graph.mailFolder to MicrosoftGraphMailFolder for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailFolder changed from microsoft.graph.mailFolder to MicrosoftGraphMailFolder for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailFolder changed from microsoft.graph.mailFolder to MicrosoftGraphMailFolder for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailSearchFolder changed from microsoft.graph.mailSearchFolder to MicrosoftGraphMailFolder for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailSearchFolder changed from microsoft.graph.mailSearchFolder to MicrosoftGraphMailFolder for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailSearchFolder changed from microsoft.graph.mailSearchFolder to MicrosoftGraphMailFolder for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from microsoft.graph.message to MicrosoftGraphMessage for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from microsoft.graph.message to MicrosoftGraphMessage for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #2: outlookItem]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from microsoft.graph.message to MicrosoftGraphMessage for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from microsoft.graph.message to MicrosoftGraphMessage for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.outlookItem changed from microsoft.graph.outlookItem to MicrosoftGraphOutlookItem for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.outlookItem changed from microsoft.graph.outlookItem to MicrosoftGraphOutlookItem for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.outlookItem changed from microsoft.graph.outlookItem to MicrosoftGraphOutlookItem for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.referenceAttachment changed from microsoft.graph.attachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.attachment changed from microsoft.graph.attachment to MicrosoftGraphAttachment for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.attachment changed from microsoft.graph.attachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.attachment changed from microsoft.graph.attachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.eventMessage changed from microsoft.graph.message to MicrosoftGraphMessage for allOf[subschema #2: message]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from microsoft.graph.fileAttachment to MicrosoftGraphAttachment for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from microsoft.graph.fileAttachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from microsoft.graph.fileAttachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from microsoft.graph.fileAttachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.itemAttachment changed from microsoft.graph.attachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailFolder changed from microsoft.graph.mailFolder to MicrosoftGraphMailFolder for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailFolder changed from microsoft.graph.mailFolder to MicrosoftGraphMailFolder for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailFolder changed from microsoft.graph.mailFolder to MicrosoftGraphMailFolder for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailSearchFolder changed from microsoft.graph.mailSearchFolder to MicrosoftGraphMailFolder for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailSearchFolder changed from microsoft.graph.mailSearchFolder to MicrosoftGraphMailFolder for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailSearchFolder changed from microsoft.graph.mailSearchFolder to MicrosoftGraphMailFolder for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from microsoft.graph.message to MicrosoftGraphMessage for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from microsoft.graph.message to MicrosoftGraphMessage for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #2: outlookItem]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from microsoft.graph.message to MicrosoftGraphMessage for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from microsoft.graph.message to MicrosoftGraphMessage for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.outlookItem changed from microsoft.graph.outlookItem to MicrosoftGraphOutlookItem for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.outlookItem changed from microsoft.graph.outlookItem to MicrosoftGraphOutlookItem for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.outlookItem changed from microsoft.graph.outlookItem to MicrosoftGraphOutlookItem for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.referenceAttachment changed from microsoft.graph.attachment to MicrosoftGraphAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
May 26, 2026c6fc1d98f528247See the full diff
- ●
  removed the request property allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/contentBytes
  request-property-removed
- ●
  removed the optional property allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/contentBytes from the response with the 2XX status
  response-optional-property-removed
- ○
  api operation id createDraftMessage removed and replaced with me.CreateMessages
  api-operation-id-removed
- ○
  mapped value for discriminator key #microsoft.graph.attachment changed from MicrosoftGraphAttachment to microsoft.graph.attachment for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.attachment changed from MicrosoftGraphAttachment to microsoft.graph.attachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.attachment changed from MicrosoftGraphAttachment to microsoft.graph.attachment for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.eventMessage changed from MicrosoftGraphMessage to microsoft.graph.message for allOf[subschema #2: message]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from MicrosoftGraphAttachment to microsoft.graph.fileAttachment for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from MicrosoftGraphAttachment to microsoft.graph.fileAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from MicrosoftGraphAttachment to microsoft.graph.fileAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from MicrosoftGraphAttachment to microsoft.graph.fileAttachment for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.itemAttachment changed from MicrosoftGraphAttachment to microsoft.graph.attachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailFolder changed from MicrosoftGraphMailFolder to microsoft.graph.mailFolder for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailFolder changed from MicrosoftGraphMailFolder to microsoft.graph.mailFolder for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailFolder changed from MicrosoftGraphMailFolder to microsoft.graph.mailFolder for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailSearchFolder changed from MicrosoftGraphMailFolder to microsoft.graph.mailSearchFolder for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailSearchFolder changed from MicrosoftGraphMailFolder to microsoft.graph.mailSearchFolder for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailSearchFolder changed from MicrosoftGraphMailFolder to microsoft.graph.mailSearchFolder for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from MicrosoftGraphMessage to microsoft.graph.message for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from MicrosoftGraphMessage to microsoft.graph.message for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #2: outlookItem]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from MicrosoftGraphMessage to microsoft.graph.message for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from MicrosoftGraphMessage to microsoft.graph.message for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.outlookItem changed from MicrosoftGraphOutlookItem to microsoft.graph.outlookItem for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.outlookItem changed from MicrosoftGraphOutlookItem to microsoft.graph.outlookItem for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.outlookItem changed from MicrosoftGraphOutlookItem to microsoft.graph.outlookItem for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.referenceAttachment changed from MicrosoftGraphAttachment to microsoft.graph.attachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/ request property
  request-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.attachment changed from MicrosoftGraphAttachment to microsoft.graph.attachment for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.attachment changed from MicrosoftGraphAttachment to microsoft.graph.attachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.attachment changed from MicrosoftGraphAttachment to microsoft.graph.attachment for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.eventMessage changed from MicrosoftGraphMessage to microsoft.graph.message for allOf[subschema #2: message]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from MicrosoftGraphAttachment to microsoft.graph.fileAttachment for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from MicrosoftGraphAttachment to microsoft.graph.fileAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from MicrosoftGraphAttachment to microsoft.graph.fileAttachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.fileAttachment changed from MicrosoftGraphAttachment to microsoft.graph.fileAttachment for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.itemAttachment changed from MicrosoftGraphAttachment to microsoft.graph.attachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailFolder changed from MicrosoftGraphMailFolder to microsoft.graph.mailFolder for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailFolder changed from MicrosoftGraphMailFolder to microsoft.graph.mailFolder for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailFolder changed from MicrosoftGraphMailFolder to microsoft.graph.mailFolder for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailSearchFolder changed from MicrosoftGraphMailFolder to microsoft.graph.mailSearchFolder for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailSearchFolder changed from MicrosoftGraphMailFolder to microsoft.graph.mailSearchFolder for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.mailSearchFolder changed from MicrosoftGraphMailFolder to microsoft.graph.mailSearchFolder for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from MicrosoftGraphMessage to microsoft.graph.message for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from MicrosoftGraphMessage to microsoft.graph.message for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #2: outlookItem]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from MicrosoftGraphMessage to microsoft.graph.message for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.message changed from MicrosoftGraphMessage to microsoft.graph.message for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.outlookItem changed from MicrosoftGraphOutlookItem to microsoft.graph.outlookItem for allOf[MicrosoftGraphOutlookItem]/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.outlookItem changed from MicrosoftGraphOutlookItem to microsoft.graph.outlookItem for allOf[subschema #2: message]/attachments/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.outlookItem changed from MicrosoftGraphOutlookItem to microsoft.graph.outlookItem for allOf[subschema #2: message]/extensions/items/allOf[subschema #1: entity]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed
- ○
  mapped value for discriminator key #microsoft.graph.referenceAttachment changed from MicrosoftGraphAttachment to microsoft.graph.attachment for allOf[subschema #2: message]/attachments/items/allOf[subschema #2: attachment]/ response property for the response status 2XX
  response-property-discriminator-mapping-changed

Full history