diff --git a/aggregation-manager-interface/src/main/protobuf/aggregatedvorgang.model.proto b/aggregation-manager-interface/src/main/protobuf/aggregatedvorgang.model.proto
index 15a0962554d26579625348af6852eeb121bf2987..6837b100db495951865b174a43272486bd2d325a 100644
--- a/aggregation-manager-interface/src/main/protobuf/aggregatedvorgang.model.proto
+++ b/aggregation-manager-interface/src/main/protobuf/aggregatedvorgang.model.proto
@@ -53,7 +53,12 @@ message Property {
   oneof value {
     string stringValue = 2;
     Payload nestedPayload = 3;
+    ValueList valueList = 4;
   }
 }
 
+message ValueList {
+  repeated string values = 1;
+}
+
 message SubmitAggregatedVorgangResponse {}
\ No newline at end of file