diff --git a/CN_PROD/slo/Wirkkette__IPA_Speech__-_Reliability_of_key_requests.tf b/CN_PROD/slo/Wirkkette__IPA_Speech__-_Reliability_of_key_requests.tf
index efeee74..6cefc89 100644
--- a/CN_PROD/slo/Wirkkette__IPA_Speech__-_Reliability_of_key_requests.tf
+++ b/CN_PROD/slo/Wirkkette__IPA_Speech__-_Reliability_of_key_requests.tf
@@ -10,12 +10,31 @@ module Wirkkette__IPA_Speech__-_Reliability_of_key_requests {
     
     
     #entity selector object 
-    filter                      = "type(SERVICE_METHOD),entityId(\"SERVICE_METHOD-A47D63D3756DD049\")" 
+    filter                      = "" 
             
 
     #metric expression of the calculation as done in data explorer ui
-    metric_expression           = "(100)*(builtin:service.keyRequest.errors.server.successCount:splitBy())/(builtin:service.keyRequest.count.server:splitBy())" 
- 
+    metric_expression           = <<-EOT
+(100)*(builtin:service.keyRequest.errors.server.successCount:filter(and(or(in("dt.entity.service_method",entitySelector("type(service_method), 
+                        fromRelationship.isServiceMethodOfService(
+                                type(~"SERVICE~"),entityName.in(
+                                        ~"hvd (/hvd) - ipa-backend-cn - prod~"
+                                 )
+                                )
+                        ,entityName.in(
+                                ~"/hvd/speech~"
+                        )"))))):splitBy())
+        /
+                (builtin:service.keyRequest.count.server:filter(and(or(in("dt.entity.service_method",entitySelector("type(service_method), 
+                        fromRelationship.isServiceMethodOfService(
+                                type(~"SERVICE~"),entityName.in(
+                                        ~"hvd (/hvd) - ipa-backend-cn - prod~"
+                                 )
+                                )
+                        ,entityName.in(
+                                ~"/hvd/speech~"
+                        )"))))):splitBy())					
+    EOT
 
     #if not set (removed) it's defaulted to "-1d" 
     timeframe                   = "-1w"