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startMessaging reference

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Applies to: Skype for Business 2015

Starts a messagingInvitation that adds the messaging modality to a new conversation.

For more on web links, see Web links.

Name Description
rel The resource that this link points to. In JSON, this is the outer container.
href The location of this resource on the server, and the target of an HTTP operation.

Resource description

The startMessaging resource can be used to create a new peer-to-peer messaging conversation with a contact.

Properties

None

None

Azure Active Directory scopes for online applications

The user must have at least one of these scopes for operations on the resource to be allowed.

Scope Permission Description
Conversations.Initiate Initiate conversations and join meetings Allows the app to initiate instant messages, audio, video, and desktop sharing conversations; and join meetings on-behalf of the signed-in user
Conversations.Receive Receive conversation invites Allows the app to receive instant messages, audio, video, and desktop sharing invitations on-behalf of the signed-in user

Operations

POST

Starts a messagingInvitation that adds the instant messaging modality to a new conversation.

Query parameters

Name Description Required?
to The target of this invitation. No

Request body

Name Description Required?
operationId The ID that the application supplies to correlate its request with the corresponding operation started in the event channel.The maximum length is 50 characters. String No
to The contact that this invitation is to be sent to.String Yes
importance The conversation's importance (Importance): Normal, Urgent, or Emergency.An application can use this as a hint to inform the user.(Importance)Normal, Urgent, or Emergency No
subject The conversation's subject.The property has a maximum length of 250 characters.The maximum length is 250 characters. String No
threadId The conversation's thread ID.An application can use this ID to continue an existing conversation.String No
message The message text to send along with the messagingInvitation.ExternalResource No

Response body

Item Description
messagingInvitation Represents an invitation to a conversation for the messaging modality.

Synchronous errors

The errors below (if any) are specific to this resource. Generic errors that can apply to any resource are covered in Generic synchronous errors.

Error Code Subcode Description
Forbidden 403 None The target URI does not match the target URI provisioned in anonymous token.
ServiceFailure 500 CallbackChannelError The remote event channel is not reachable
Conflict 409 AlreadyExists The already exists error.
Conflict 409 TooManyGroups The too many groups error.
Conflict 409 None Un-supported Service/Resource/API error.
Gone 410 CannotRedirect Cannot redirect since there is no back up pool configured.

Examples

Only server-supplied query parameters, if any, are shown in the request sample.

JSON Request

Post https://fe1.contoso.com:443/ucwa/v1/applications/192/communication/startMessaging HTTP/1.1
Authorization: Bearer cwt=PHNhbWw6QXNzZXJ0aW9uIHhtbG5...uZm8
Host: fe1.contoso.com
Content-Type: application/json
Content-Length: 257
{
  "operationId" : "74cb7404e0a247d5a2d4eb0376a47dbf",
  "to" : "sip : john@contoso.com",
  "importance" : "Urgent",
  "subject" : "SkypeforBusiness",
  "threadId" : "292e0aaef36c426a97757f43dda19d06",
  "_links" : {
    "message" : {
      "href" : "data : text/plain;base64,
      somebase64encodedmessage"
    }
  }
}

JSON Response

This sample is given only as an illustration of response syntax. The semantic content is not guaranteed to correspond to a valid scenario.

HTTP/1.1 201 Created
Location: /ucwa/v1/applications/192/communication/invitations/602

XML Request

Post https://fe1.contoso.com:443/ucwa/v1/applications/192/communication/startMessaging HTTP/1.1
Authorization: Bearer cwt=PHNhbWw6QXNzZXJ0aW9uIHhtbG5...uZm8
Host: fe1.contoso.com
Content-Type: application/xml
Content-Length: 398
<?xml version="1.0" encoding="utf-8"?>
<input xmlns="http://schemas.microsoft.com/rtc/2012/03/ucwa">
  <property name="operationId">74cb7404e0a247d5a2d4eb0376a47dbf</property>
  <property name="to">sip:john@contoso.com</property>
  <property name="importance">Urgent</property>
  <property name="subject">Skype for Business</property>
  <property name="threadId">292e0aaef36c426a97757f43dda19d06</property>
</input>

XML Response

This sample is given only as an illustration of response syntax. The semantic content is not guaranteed to correspond to a valid scenario.

HTTP/1.1 201 Created
Location: /ucwa/v1/applications/192/communication/invitations/602