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Create agentic session

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.

Create an agentic session to run an existing playbook against typed inputs. This operation uses the agentic session resource.

Permissions

Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions only if your app requires it. For details about delegated and application permissions, see Permission types. To learn more about these permissions, see the permissions reference.

Permission type Least privileged permissions Higher privileged permissions
Delegated (work or school account) Perception.Manage.All Not available.
Delegated (personal Microsoft account) Not supported. Not supported.
Application Not supported. Not supported.

The signed-in user must have access to the requested resources. Granting an OAuth permission does not override the service's access controls.

HTTP request

POST /security/agenticSecurity/sessions

Request headers

Name Description
Authorization Bearer {token}. Required. Learn more about authentication and authorization.
Content-Type application/json. Required.

Request body

In the request body, supply a JSON representation of an agentic session with the following values.

Property Type Description
inputs investigationInput collection Required inline array. Each input requires kind and value. The array can be empty if the selected playbook permits it. Don't supply input id or displayName.
playbookDefinition@odata.bind String Required reference to an existing playbookDefinition, using its GUID-string id. Definition deep insert isn't supported.

Don't supply service-generated properties such as id, displayName, status, statusDetail, createdDateTime, lastModifiedDateTime, initiatedBy, or tags. Don't deep-insert agent runs or outputs.

Response

If successful, this method returns a 201 Created response code and the created agentic session, including its created inputs. The Location response header identifies the session. Creation starts asynchronous processing; read the session to monitor status and statusDetail.

Examples

Request

The following example creates an agentic session for the Extract threat intelligence playbook using a supplied article ID. The playbook runs the Threat Intelligence agent. The article ID and response values are illustrative.

POST https://graph.microsoft.com/beta/security/agenticSecurity/sessions
Content-Type: application/json

{
  "playbookDefinition@odata.bind": "https://graph.microsoft.com/beta/security/agenticSecurity/playbookDefinitions/4471901f-118e-4254-8822-f141b8f9c5e7",
  "inputs": [
    {
      "kind": "defenderThreatIntelligenceId",
      "value": "2f7b3a5c-94d1-4f90-b2d8-6e8c1a0473ad"
    }
  ]
}

Response

The following example shows the response.

Note: The response object shown here might be shortened for readability.

HTTP/1.1 201 Created
Location: https://graph.microsoft.com/beta/security/agenticSecurity/sessions/b6f1c52a-e3d8-4a02-9c75-87d1b054e6a3
Content-Type: application/json

{
  "id": "b6f1c52a-e3d8-4a02-9c75-87d1b054e6a3",
  "status": "running",
  "statusDetail": "inProgress",
  "displayName": "Analyze threat intelligence article",
  "createdDateTime": "2026-10-22T10:00:00Z",
  "lastModifiedDateTime": "2026-10-22T10:00:10Z",
  "initiatedBy": {
    "user": {
      "id": "00000000-0000-4000-8000-000000000001"
    }
  },
  "tags": [],
  "inputs": [
    {
      "id": "c2394a6f-0d52-4c8b-a7e1-6f9d320b815e",
      "kind": "defenderThreatIntelligenceId",
      "value": "2f7b3a5c-94d1-4f90-b2d8-6e8c1a0473ad",
      "displayName": "Threat intelligence article"
    }
  ]
}
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