diff --git a/ansys/api/additive/VERSION b/ansys/api/additive/VERSION
index 85b2c0a..b38f36d 100644
--- a/ansys/api/additive/VERSION
+++ b/ansys/api/additive/VERSION
@@ -1 +1 @@
-1.7.0-dev4
\ No newline at end of file
+1.7.0-dev5
\ No newline at end of file
diff --git a/ansys/api/additive/v0/additive_materials.proto b/ansys/api/additive/v0/additive_materials.proto
index 7675948..b5d42a1 100644
--- a/ansys/api/additive/v0/additive_materials.proto
+++ b/ansys/api/additive/v0/additive_materials.proto
@@ -10,6 +10,8 @@ import "google/protobuf/empty.proto";
 
 service MaterialsService {
 
+    rpc AddMaterial(AddMaterialRequest) returns (AddMaterialResponse);
+
     rpc GetMaterialsList (google.protobuf.Empty) returns (GetMaterialsListResponse);
 
     rpc GetMaterial (GetMaterialRequest) returns (AdditiveMaterial);
@@ -17,6 +19,19 @@ service MaterialsService {
     rpc TuneMaterial (TuneMaterialRequest) returns (stream TuneMaterialResponse);
 }
 
+message AddMaterialRequest {
+    string id = 1;
+    AdditiveMaterial material = 2;
+}
+
+message AddMaterialResponse {
+    string id = 1;
+    oneof ResponseType {
+        string error = 2;
+        AdditiveMaterial material = 3;
+    }
+}
+
 message GetMaterialRequest {
     string name = 1;
 }