Retrieves the details of a Changesets Extended Data.

Extended data is an application specific data associated to the Changeset. This data is not interpreted by the service. Extended data must be a valid json object encoded as base64 string.

Authentication

---

Requires Authorization header with valid Bearer token for scope itwin-platform.

For more documentation on authorization and how to get access token visit OAUTH2 Authorization page.

Authorization

---

User must have imodels_webview permission assigned at the iModel level. If iModel Role permissions at the iModel level are configured, then user must additionally have at least imodels_webview permission assigned at the iTwin level. If permissions at the iModel level are not configured, then user must have imodels_webview permission assigned at the iTwin level.

Alternatively the user should be an Organization Administrator for the Organization that owns a given iTwin the iModel belongs to.

For more information please refer to Account Administrator documentation section on Access Control API documentation page.

Rate limits

---

All iTwin Platform API operations have a rate limit. For more documentation on that visit Rate limits and quotas page.

{
    "extendedData": {
        "changesetId": "1f2e04b666edce395e37a795e2231e995cbf8349",
        "changesetIndex": 1,
        "data": "ewogICJkYXRhIjogewogICAgImNoYW5nZWRGaWxlcyI6IFsKICAgICAgIkEuZGduIiwKICAgICAgIkIuZGduIgogICAgXSwKICAgICJ0YXNrSWQiOiAiZGIxNGY4MzUtOGQxYy00YjU2LTkyMzUtNzE1ZWJkMjMzODE0IgogIH0KfQ=="
    }
}

{
    "error": {
        "code": "HeaderNotFound",
        "message": "Header Authorization was not found in the request. Access denied."
    }
}

{
    "error": {
        "code": "iModelNotFound",
        "message": "Requested iModel is not available."
    }
}

{
    "error": {
        "code": "TooManyRequests",
        "message": "More requests were received than the subscription rate-limit allows."
    }
}