---
title: "PUT /subscriptions/{subscriptionId}/providers/Microsoft.Network/trafficManagerUserMetricsKeys/default"
method: PUT
path: "/subscriptions/{subscriptionId}/providers/Microsoft.Network/trafficManagerUserMetricsKeys/default"
tags: ["UserMetricsModels"]
---

# PUT /subscriptions/{subscriptionId}/providers/Microsoft.Network/trafficManagerUserMetricsKeys/default

`PUT /subscriptions/{subscriptionId}/providers/Microsoft.Network/trafficManagerUserMetricsKeys/default`

Create or update a subscription-level key used for Real User Metrics collection.

## Parameters

- `../../../../../../common-types/resource-management/v3/types.json#/components/parameters/ApiVersionParameter` — unresolved $ref
- `../../../../../../common-types/resource-management/v3/types.json#/components/parameters/SubscriptionIdParameter` — unresolved $ref

## Response `201`

Resource 'UserMetricsModel' create operation succeeded

- UserMetricsModel — The core properties of ARM resources
  - `id` string, arm-id — Fully qualified resource Id for the resource. Ex - /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Network/trafficManagerProfiles/{resourceName}
  - `name` string — The name of the resource
  - `type` string — The type of the resource. Ex- Microsoft.Network/trafficManagerProfiles.

## Other responses

- `default` — An unexpected error response.

## Changes

- **2026-07-13** (2015-11-01) `ad4f98d96532` — 2 warning, 2 info
  - deleted the `path` request parameter `subscriptionId`
  - deleted the `query` request parameter `api-version`
  - api tag `UserMetricsModels` added
  - api tag `RealUserMetrics` removed
- **2026-07-13** (2015-11-01) `79b8a3200f30` — 2 info
  - api tag `RealUserMetrics` added
  - api tag `UserMetricsModels` removed
- **2026-07-13** (2015-11-01) `4604bae8e4a1` — 2 info
  - api tag `UserMetricsModels` added
  - api tag `RealUserMetrics` removed
- **2026-07-13** (2015-11-01) `b5804c923dae` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/azure/apis/trafficmanager-microsoft-network-trafficmanager/changes/subscriptions/:subscriptionId/providers/Microsoft.Network/trafficManagerUserMetricsKeys/default/put.md)

---

[API](https://skmtc.dev/azure/apis/trafficmanager-microsoft-network-trafficmanager.md) · [All operations](https://skmtc.dev/azure/apis/trafficmanager-microsoft-network-trafficmanager/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/azure/trafficmanager-microsoft-network-trafficmanager/revisions/ad4f98d96532/schema)