diff --git a/GrpcPython/OutlierDetection/outliers.proto b/GrpcPython/OutlierDetection/outliers.proto
new file mode 100644
index 0000000..3f9bf57
--- /dev/null
+++ b/GrpcPython/OutlierDetection/outliers.proto
@@ -0,0 +1,23 @@
+syntax = "proto3";
+ import "google/protobuf/timestamp.proto";
+ package pb;
+
+ option go_package = "github.com/mskKandula/python-go/grpc/pb";
+
+ message Metric {
+    google.protobuf.Timestamp time = 1;
+    string name = 2;
+    double value = 3;
+ }
+
+ message OutliersRequest {
+    repeated Metric metrics = 1;
+ }
+
+ message OutliersResponse {
+    repeated int32 indices = 1;
+ }
+
+ service Outliers {
+    rpc Detect(OutliersRequest) returns (OutliersResponse) {}
+ }
\ No newline at end of file