diff --git a/proto/spaceone/api/opsflow/v1/comment.proto b/proto/spaceone/api/opsflow/v1/comment.proto
index ae56140d..0a26fe7e 100644
--- a/proto/spaceone/api/opsflow/v1/comment.proto
+++ b/proto/spaceone/api/opsflow/v1/comment.proto
@@ -102,6 +102,11 @@ message CommentInfo {
         TASK_DESCRIPTION = 1;
         COMMENT = 2;
     }
+    enum ResourceGroup {
+        RESOURCE_GROUP_NONE = 0;
+        WORKSPACE = 1;
+        PROJECT = 2;
+    }
 
     string comment_id = 1;
     string comment = 2;
@@ -110,6 +115,7 @@ message CommentInfo {
     Mentions mentions = 5;
     google.protobuf.Struct source = 7;
     string reference_id = 8;
+    ResourceGroup resource_group = 9;
 
     string domain_id = 21;
     string workspace_id = 22;
diff --git a/proto/spaceone/api/opsflow/v1/event.proto b/proto/spaceone/api/opsflow/v1/event.proto
index 5a4c068e..ffdcc6d4 100644
--- a/proto/spaceone/api/opsflow/v1/event.proto
+++ b/proto/spaceone/api/opsflow/v1/event.proto
@@ -32,11 +32,11 @@ message EventSearchQuery {
     // +optional
     EventInfo.EventType event_type = 3;
     // +optional
-    string user_type = 4;
+    string created_type = 4;
     // +optional
     string event_id = 5;
     // +optional
-    string user_id = 6;
+    string created_by = 6;
     // +optional
     string workspace_id = 7;
     // +optional
@@ -55,8 +55,8 @@ message EventInfo {
     EventType event_type = 2;
     string name = 3;
     string description = 4;
-    string user_type = 5;
-    string user_id = 6;
+    string created_type = 5;
+    string created_by = 6;
     google.protobuf.Struct additional_info = 7;
 
     string domain_id = 21;
diff --git a/proto/spaceone/api/opsflow/v1/task.proto b/proto/spaceone/api/opsflow/v1/task.proto
index ba59425c..8d8ffd3e 100644
--- a/proto/spaceone/api/opsflow/v1/task.proto
+++ b/proto/spaceone/api/opsflow/v1/task.proto
@@ -77,6 +77,12 @@ enum TaskPriority {
 }
 
 message TaskCreateRequest {
+    enum ResourceGroup {
+        RESOURCE_GROUP_NONE = 0;
+        WORKSPACE = 1;
+        PROJECT = 2;
+    }
+
     string name = 1;
     string status_id = 2;
     // +optional
@@ -93,7 +99,9 @@ message TaskCreateRequest {
     google.protobuf.Struct data = 8;
     // +optional
     string reference_id = 9;
+    ResourceGroup resource_group = 10;
 
+    // +optional
     string project_id = 21;
     string task_type_id = 22;
 }
@@ -147,6 +155,10 @@ message TaskSearchQuery {
     // +optional
     TaskPriority priority = 6;
     // +optional
+    string assignee = 7;
+    // +optional
+    string related_asset_id = 8;
+    // +optional
     string workspace_id = 11;
     // +optional
     string project_id = 12;
@@ -157,6 +169,12 @@ message TaskSearchQuery {
 }
 
 message TaskInfo {
+    enum ResourceGroup {
+        RESOURCE_GROUP_NONE = 0;
+        WORKSPACE = 1;
+        PROJECT = 2;
+    }
+
     string task_id = 1;
     string name = 2;
     string status_id = 3;
@@ -168,6 +186,8 @@ message TaskInfo {
     string assignee = 9;
     string created_by = 10;
     string reference_id = 11;
+    ResourceGroup resource_group = 12;
+    repeated string related_assets = 13;
 
     string domain_id = 21;
     string workspace_id = 22;
diff --git a/proto/spaceone/api/opsflow/v1/task_category.proto b/proto/spaceone/api/opsflow/v1/task_category.proto
index a9407305..377b961a 100644
--- a/proto/spaceone/api/opsflow/v1/task_category.proto
+++ b/proto/spaceone/api/opsflow/v1/task_category.proto
@@ -4,7 +4,6 @@ package spaceone.api.opsflow.v1;
 
 option go_package = "github.com/cloudforet-io/api/dist/go/spaceone/api/opsflow/v1";
 
-import "google/protobuf/empty.proto";
 import "google/protobuf/struct.proto";
 import "google/api/annotations.proto";
 import "spaceone/api/core/v2/query.proto";
diff --git a/proto/spaceone/api/opsflow/v1/task_type.proto b/proto/spaceone/api/opsflow/v1/task_type.proto
index 0def8a7b..7bb5dc71 100644
--- a/proto/spaceone/api/opsflow/v1/task_type.proto
+++ b/proto/spaceone/api/opsflow/v1/task_type.proto
@@ -30,7 +30,7 @@ service TaskType {
             body: "*"
         };
     }
-    rpc delete (TaskTypeRequest) returns (google.protobuf.Empty) {
+    rpc delete (TaskTypeDeleteRequest) returns (google.protobuf.Empty) {
         option (google.api.http) = {
             post: "/opsflow/v1/task-type/delete"
             body: "*"
@@ -57,15 +57,23 @@ service TaskType {
 }
 
 message TaskTypeCreateRequest {
+    enum Scope {
+        SCOPE_NONE = 0;
+        WORKSPACE = 1;
+        PROJECT = 2;
+    }
+
     string name = 1;
     // +optional
     string description = 2;
     // +optional
     repeated TaskField fields = 3;
     // +optional
-    repeated string assignee_pool = 4;
+    Scope scope = 4;
     // +optional
-    google.protobuf.Struct vars = 5;
+    repeated string assignee_pool = 5;
+    // +optional
+    google.protobuf.Struct vars = 6;
     // +optional
     google.protobuf.Struct tags = 11;
     string category_id = 21;
@@ -93,6 +101,12 @@ message TaskTypeUpdateFieldsRequest {
     bool force = 3;
 }
 
+message TaskTypeDeleteRequest {
+    string task_type_id = 1;
+    // +optional
+    string new_task_type_id = 2;
+}
+
 message TaskTypeRequest {
     string task_type_id = 1;
     // +optional
@@ -109,12 +123,19 @@ message TaskTypeSearchQuery {
 }
 
 message TaskTypeInfo {
+    enum Scope {
+        SCOPE_NONE = 0;
+        WORKSPACE = 1;
+        PROJECT = 2;
+    }
+
     string task_type_id = 1;
     string name = 2;
     string description = 3;
     repeated TaskField fields = 4;
-    repeated string assignee_pool = 5;
-    google.protobuf.Struct vars = 6;
+    Scope scope = 5;
+    repeated string assignee_pool = 6;
+    google.protobuf.Struct vars = 7;
     google.protobuf.Struct tags = 11;
 
     string domain_id = 21;