diff --git a/ansys/api/additive/VERSION b/ansys/api/additive/VERSION
index 953e3b9..45fbf50 100644
--- a/ansys/api/additive/VERSION
+++ b/ansys/api/additive/VERSION
@@ -1 +1 @@
-3.0.0-dev0
+3.1.0-dev0
diff --git a/ansys/api/additive/v0/additive_simulation.proto b/ansys/api/additive/v0/additive_simulation.proto
index e04e5bc..4a788a6 100644
--- a/ansys/api/additive/v0/additive_simulation.proto
+++ b/ansys/api/additive/v0/additive_simulation.proto
@@ -9,69 +9,68 @@ import "ansys/api/additive/v0/additive_domain.proto";
 import "google/longrunning/operations.proto";
 
 service SimulationService {
-	rpc Simulate(SimulationRequest) returns (google.longrunning.Operation) {
-		option (google.longrunning.operation_info) = {
-			response_type: "SimulationResponse"
-			metadata_type: "OperationMetadata"
-		};
-	}
-
-	rpc UploadFile(stream UploadFileRequest) returns (stream UploadFileResponse);
-
-	rpc DownloadFile(DownloadFileRequest) returns (stream DownloadFileResponse);
-
-    rpc SimulationLogs(SimulationLogsRequest) returns (stream DownloadFileResponse);
-
-	rpc Mesh(MeshRequest) returns (google.longrunning.Operation) {
-		option (google.longrunning.operation_info) = {
-			response_type: "MeshResponse"
-			metadata_type: "OperationMetadata"
-		};
-	}
+    rpc Simulate(SimulationRequest) returns (google.longrunning.Operation) {
+        option (google.longrunning.operation_info) = {
+            response_type: "SimulationResponse"
+            metadata_type: "OperationMetadata"
+        };
+    }
+
+    rpc UploadFile(stream UploadFileRequest) returns (stream UploadFileResponse);
+
+    rpc DownloadFile(DownloadFileRequest) returns (stream DownloadFileResponse);
+
+    rpc Mesh(MeshRequest) returns (google.longrunning.Operation) {
+        option (google.longrunning.operation_info) = {
+            response_type: "MeshResponse"
+            metadata_type: "OperationMetadata"
+        };
+    }
 }
 
 message SimulationResponse {
-	string id = 1;
-	oneof ResponseType {
-		Progress progress = 10;
-		MeltPool melt_pool = 11;
-		PorosityResult porosity_result = 13;
-		MicrostructureResult microstructure_result = 14;
-		ThermalHistoryResult thermal_history_result = 15;
-		ThermalStrainResult thermal_strain_result = 16;
-		Microstructure3DResult microstructure_3d_result = 17;
-	}
+    string id = 1;
+    bytes logs = 2;
+    oneof ResponseType {
+        Progress progress = 10;
+        MeltPool melt_pool = 11;
+        PorosityResult porosity_result = 13;
+        MicrostructureResult microstructure_result = 14;
+        ThermalHistoryResult thermal_history_result = 15;
+        ThermalStrainResult thermal_strain_result = 16;
+        Microstructure3DResult microstructure_3d_result = 17;
+    }
 }
 
 message SimulationRequest {
-	string id = 1;
-	oneof Input {
-		SingleBeadInput single_bead_input = 10;
-		PorosityInput porosity_input = 11;
-		MicrostructureInput microstructure_input = 12;
-		ThermalHistoryInput thermal_history_input = 13;
-		ThermalStrainInput thermal_strain_input = 14;
-		Microstructure3DInput microstructure_3d_input = 15;
-	}
+    string id = 1;
+    oneof Input {
+        SingleBeadInput single_bead_input = 10;
+        PorosityInput porosity_input = 11;
+        MicrostructureInput microstructure_input = 12;
+        ThermalHistoryInput thermal_history_input = 13;
+        ThermalStrainInput thermal_strain_input = 14;
+        Microstructure3DInput microstructure_3d_input = 15;
+    }
 }
 
 // UploadFileRequest is used to transfer a file in chunks from
 // a client to the server. Each message should be <= 4MiB
 // unless the gRPC max receive message size has been changed.
 message UploadFileRequest {
-	string name = 1; 		// file name on client
-	uint64 total_size = 2; 	// total file size in bytes
-	bytes content = 3; 		// chunk of file content
-	string content_md5 = 4; // md5 hash of content
+    string name = 1; 		// file name on client
+    uint64 total_size = 2; 	// total file size in bytes
+    bytes content = 3; 		// chunk of file content
+    string content_md5 = 4; // md5 hash of content
 }
 
 message UploadFileResponse {
-	string remote_file_name = 1;
-	Progress progress = 2;
+    string remote_file_name = 1;
+    Progress progress = 2;
 }
 
 message DownloadFileRequest {
-	string remote_file_name = 1; // full path to file on server
+    string remote_file_name = 1; // full path to file on server
 }
 
 message SimulationLogsRequest {
@@ -79,15 +78,15 @@ message SimulationLogsRequest {
 }
 
 message MeshRequest {
-	string id = 1;
-	oneof Input {
-		VoxelMeshInput voxel_mesh_input = 10;
-	}
+    string id = 1;
+    oneof Input {
+        VoxelMeshInput voxel_mesh_input = 10;
+    }
 }
 
 message MeshResponse {
-	string id = 1;
-	oneof ResponseType {
-		VoxelMeshResult voxel_mesh_result = 10;
-	}
+    string id = 1;
+    oneof ResponseType {
+        VoxelMeshResult voxel_mesh_result = 10;
+    }
 }