Add additional sources


Create a new additional source associated with an eDiscovery search.

This API is supported in the following national cloud deployments.

Global service US Government L4 US Government L5 (DOD) China operated by 21Vianet


One of the following permissions is required to call this API. To learn more, including how to choose permissions, see Permissions.

Permission type Permissions (from least to most privileged)
Delegated (work or school account) eDiscovery.ReadWrite.All
Delegated (personal Microsoft account) Not supported.
Application Not supported.

HTTP request

POST /security/cases/ediscoveryCases/{ediscoveryCaseId}/searches/{ediscoverySearchId}/additionalSources

Request headers

Name Description
Authorization Bearer {token}. Required.
Content-Type application/json. Required.

Request body

In the request body, supply a JSON representation of the dataSource object.

You can specify the following properties when you create a dataSource.

Note: Either email or site is required, but not both.

Property Type Description
email string SMTP address of the mailbox. To get the email address of a group, use List groups or Get group. You can query by the name of the group using $filter; for example,$filter=displayName eq 'secret group'&$select=mail,id,displayName.
site string URL of the site; for example,


If successful, this method returns a 201 Created and a object in the response body.



The following is an example of a request.


    "@odata.type": "",
    "site": {
        "webUrl": ""


The following is an example of the response.

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

HTTP/1.1 201 Created

    "@odata.context": "$metadata#security/cases/ediscoveryCases('b0073e4e-4184-41c6-9eb7-8c8cc3e2288b')/searches('c61a5860-d634-4d14-aea7-d82b6f4eb7af')/additionalSources/$entity",
    "@odata.type": "",
    "": "",
    "displayName": "Design - top secret",
    "createdDateTime": "2022-07-15T22:45:36.1096267Z",
    "holdStatus": "0",
    "id": "46303732-3434-4630-3832-363333363441",
    "createdBy": {
        "application": null,
        "user": {
            "id": null,
            "displayName": null