diff --git a/CHANGELOG.md b/CHANGELOG.md
index 35691a5..fa9de0d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 
+- manipulation DisplayMetricWithDifferentUnit for metrics
 - manipulation GetMetricDeterminationMode for metrics
 - manipulation PhysicallyDisconnectRemovableSubsystemAfterPhysicalConnectorProvided
 - manipulation SetActiveModeOfOperation for metrics
diff --git a/src/t2iapi/metric/service.proto b/src/t2iapi/metric/service.proto
index 7575b2a..e870ff2 100644
--- a/src/t2iapi/metric/service.proto
+++ b/src/t2iapi/metric/service.proto
@@ -1,6 +1,6 @@
 /*
 This Source Code Form is subject to the terms of the MIT License.
-Copyright (c) 2022 Draegerwerk AG & Co. KGaA.
+Copyright (c) 2022, 2023, 2024 Draegerwerk AG & Co. KGaA.
 
 SPDX-License-Identifier: MIT
 */
@@ -126,4 +126,11 @@ service MetricService {
    */
   rpc GetMetricDeterminationMode (BasicHandleRequest)
       returns (t2iapi.metric.GetMetricDeterminationMode);
+
+  /*
+  Request for the metric with the given handle to display its @Value or @Samples to a USER with a different
+  pm:Unit than the one which is currently provided in the respective descriptor.
+   */
+  rpc DisplayMetricWithDifferentUnit (BasicHandleRequest)
+      returns (BasicResponse);
 }