diff --git a/pluto-interface/src/main/protobuf/vorgang.proto b/pluto-interface/src/main/protobuf/vorgang.proto
index daba501b0053411c0643c13d037217b8ef4bbc0f..d634e5dc6eb5f5fab9fc121a1a33d410a3e97c09 100644
--- a/pluto-interface/src/main/protobuf/vorgang.proto
+++ b/pluto-interface/src/main/protobuf/vorgang.proto
@@ -31,6 +31,7 @@ message GrpcCreateVorgangResponse {
 message GrpcFindVorgangRequest {
 	int32 offset = 1;
 	int32 limit = 2;
+	string searchBy = 3;
 }
 
 message GrpcFindVorgangResponse {