diff --git a/CN_PROD/slo/Wirkkette_Call_Service_Reliability_of_key_rerquests.tf b/CN_PROD/slo/Wirkkette_Call_Service_Reliability_of_key_rerquests.tf
new file mode 100644
index 0000000..009ad24
--- /dev/null
+++ b/CN_PROD/slo/Wirkkette_Call_Service_Reliability_of_key_rerquests.tf
@@ -0,0 +1,14 @@
+module Wirkette_Call_Service_Reliability_of_key-requests {
+    
+    source = "../../_dynatrace-base-modules/dynatrace-service-level-objective"
+    
+    
+    name                        = "Wirkkette \"Call Service\" - Reliability of key request"
+    description                 = "CoCo-QM-Report_Draf"
+    evaluation                  = "AGGREGATE"
+    filter                      = "type(SERVICE_METHOD), entityId(\"SERVICE_METHOD-3823E0E98B8A527\")"
+    metric_expression           = "(100)*(builtin:service.keyRequest.errors.server.successCount:splitBy())/(builtin:service.keyRequest.count.server:splitBy())"
+    timeframe                   = "-1d"
+    
+    
+}
\ No newline at end of file