diff --git a/clients/message-client/package.json b/clients/message-client/package.json
index b62b1fb4..feadd518 100644
--- a/clients/message-client/package.json
+++ b/clients/message-client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@epilot/message-client",
-  "version": "1.15.1",
+  "version": "1.15.2",
   "description": "API Client for epilot Message API",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/clients/message-client/src/openapi-runtime.json b/clients/message-client/src/openapi-runtime.json
index d6e53a5d..30ab3741 100644
--- a/clients/message-client/src/openapi-runtime.json
+++ b/clients/message-client/src/openapi-runtime.json
@@ -89,6 +89,25 @@
         "responses": {}
       }
     },
+    "/v2/message/messages/{id}/read": {
+      "post": {
+        "operationId": "markReadMessageV2",
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "required": true
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {}
+          }
+        },
+        "responses": {}
+      }
+    },
     "/v1/message/messages/{id}/unread": {
       "post": {
         "operationId": "markUnreadMessage",
@@ -102,6 +121,25 @@
         "responses": {}
       }
     },
+    "/v2/message/messages/{id}/unread": {
+      "post": {
+        "operationId": "markUnreadMessageV2",
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "required": true
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {}
+          }
+        },
+        "responses": {}
+      }
+    },
     "/v1/message/threads:search": {
       "post": {
         "operationId": "searchThreads",
@@ -171,6 +209,25 @@
         "responses": {}
       }
     },
+    "/v2/message/threads/{id}/read": {
+      "post": {
+        "operationId": "markReadThreadV2",
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "required": true
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {}
+          }
+        },
+        "responses": {}
+      }
+    },
     "/v1/message/threads/{id}/unread": {
       "post": {
         "operationId": "markUnreadThread",
@@ -184,6 +241,25 @@
         "responses": {}
       }
     },
+    "/v2/message/threads/{id}/unread": {
+      "post": {
+        "operationId": "markUnreadThreadV2",
+        "parameters": [
+          {
+            "name": "id",
+            "in": "path",
+            "required": true
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {}
+          }
+        },
+        "responses": {}
+      }
+    },
     "/v1/message/threads/{id}/assign": {
       "post": {
         "operationId": "assignThread",
diff --git a/clients/message-client/src/openapi.d.ts b/clients/message-client/src/openapi.d.ts
index 4129ae12..c657d36b 100644
--- a/clients/message-client/src/openapi.d.ts
+++ b/clients/message-client/src/openapi.d.ts
@@ -62,7 +62,7 @@ declare namespace Components {
              */
             _title: string;
             /**
-             * Ivy Organization ID the entity belongs to
+             * Organization ID the entity belongs to
              * example:
              * 206801
              */
@@ -112,6 +112,10 @@ declare namespace Components {
              * To indicate this file relation is message attachment. If false then this file will not be sent and simply kept as a file relation.
              */
             is_message_attachment?: boolean;
+            /**
+             * To indicate this file relation may be signature attachment. If true then this file will be sent as signature attachment and not related to any entity.
+             */
+            may_be_signature_attachment?: boolean;
             /**
              * Content ID (for inline)
              * example:
@@ -137,7 +141,7 @@ declare namespace Components {
              */
             message_id?: string;
             /**
-             * Ivy User ID of user sends the message.
+             * User ID of user sends the message.
              * example:
              * 206801
              */
@@ -190,11 +194,11 @@ declare namespace Components {
              */
             in_reply_to?: string;
             /**
-             * Ivy User ID of user read the message.
+             * User ID of user read the message.
              */
             user_read_message?: string[];
             /**
-             * Ivy Organization ID of organization read the message.
+             * Organization ID of organization read the message.
              */
             org_read_message?: string[];
             /**
@@ -234,7 +238,7 @@ declare namespace Components {
                  */
                 topic: string;
                 /**
-                 * Ivy User ID of who the message is assigned to. Default is the user who sends message.
+                 * User ID of who the message is assigned to. Default is the user who sends message.
                  */
                 assigned_to?: string[];
             };
@@ -297,7 +301,7 @@ declare namespace Components {
              */
             _title: string;
             /**
-             * Ivy Organization ID the entity belongs to
+             * Organization ID the entity belongs to
              * example:
              * 206801
              */
@@ -336,7 +340,7 @@ declare namespace Components {
              */
             message_id?: string;
             /**
-             * Ivy User ID of user sends the message.
+             * User ID of user sends the message.
              * example:
              * 206801
              */
@@ -389,11 +393,11 @@ declare namespace Components {
              */
             in_reply_to?: string;
             /**
-             * Ivy User ID of user read the message.
+             * User ID of user read the message.
              */
             user_read_message?: string[];
             /**
-             * Ivy Organization ID of organization read the message.
+             * Organization ID of organization read the message.
              */
             org_read_message?: string[];
             /**
@@ -422,6 +426,21 @@ declare namespace Components {
              */
             html_download_url?: string;
         }
+        export interface ReadMessagePayload {
+            /**
+             * The scopes to be used when marking an item as read or unread. The read status will be synced for all provided scopes.
+             * example:
+             * [
+             *   "organization",
+             *   "user"
+             * ]
+             */
+            scopes: /* Who is marking an item as read or unread. */ ReadingScope[];
+        }
+        /**
+         * Who is marking an item as read or unread.
+         */
+        export type ReadingScope = "organization" | "user";
         export interface SearchParams {
             /**
              * Lucene query syntax supported with ElasticSearch
@@ -443,11 +462,11 @@ declare namespace Components {
              */
             topic: string;
             /**
-             * Ivy User ID of who the message is assigned to. Default is the user who sends message.
+             * User ID of who the message is assigned to. Default is the user who sends message.
              */
             assigned_to?: string[];
             /**
-             * Ivy Organization ID of organization read the message.
+             * Organization ID of organization read the message.
              */
             org_read_message?: string[];
             /**
@@ -543,7 +562,7 @@ declare namespace Paths {
                  */
                 _title: string;
                 /**
-                 * Ivy Organization ID the entity belongs to
+                 * Organization ID the entity belongs to
                  * example:
                  * 206801
                  */
@@ -582,7 +601,7 @@ declare namespace Paths {
                  */
                 message_id?: string;
                 /**
-                 * Ivy User ID of user sends the message.
+                 * User ID of user sends the message.
                  * example:
                  * 206801
                  */
@@ -635,11 +654,11 @@ declare namespace Paths {
                  */
                 in_reply_to?: string;
                 /**
-                 * Ivy User ID of user read the message.
+                 * User ID of user read the message.
                  */
                 user_read_message?: string[];
                 /**
-                 * Ivy Organization ID of organization read the message.
+                 * Organization ID of organization read the message.
                  */
                 org_read_message?: string[];
                 /**
@@ -718,7 +737,7 @@ declare namespace Paths {
                  */
                 _title: string;
                 /**
-                 * Ivy Organization ID the entity belongs to
+                 * Organization ID the entity belongs to
                  * example:
                  * 206801
                  */
@@ -757,7 +776,7 @@ declare namespace Paths {
                  */
                 message_id?: string;
                 /**
-                 * Ivy User ID of user sends the message.
+                 * User ID of user sends the message.
                  * example:
                  * 206801
                  */
@@ -810,11 +829,11 @@ declare namespace Paths {
                  */
                 in_reply_to?: string;
                 /**
-                 * Ivy User ID of user read the message.
+                 * User ID of user read the message.
                  */
                 user_read_message?: string[];
                 /**
-                 * Ivy Organization ID of organization read the message.
+                 * Organization ID of organization read the message.
                  */
                 org_read_message?: string[];
                 /**
@@ -867,7 +886,7 @@ declare namespace Paths {
                  */
                 _title: string;
                 /**
-                 * Ivy Organization ID the entity belongs to
+                 * Organization ID the entity belongs to
                  * example:
                  * 206801
                  */
@@ -906,7 +925,7 @@ declare namespace Paths {
                  */
                 message_id?: string;
                 /**
-                 * Ivy User ID of user sends the message.
+                 * User ID of user sends the message.
                  * example:
                  * 206801
                  */
@@ -959,11 +978,11 @@ declare namespace Paths {
                  */
                 in_reply_to?: string;
                 /**
-                 * Ivy User ID of user read the message.
+                 * User ID of user read the message.
                  */
                 user_read_message?: string[];
                 /**
-                 * Ivy Organization ID of organization read the message.
+                 * Organization ID of organization read the message.
                  */
                 org_read_message?: string[];
                 /**
@@ -1010,6 +1029,21 @@ declare namespace Paths {
             }
         }
     }
+    namespace MarkReadMessageV2 {
+        namespace Parameters {
+            export type Id = string;
+        }
+        export interface PathParameters {
+            id: Parameters.Id;
+        }
+        export type RequestBody = Components.Schemas.ReadMessagePayload;
+        namespace Responses {
+            export interface $204 {
+            }
+            export interface $403 {
+            }
+        }
+    }
     namespace MarkReadThread {
         namespace Parameters {
             export type Id = string;
@@ -1024,6 +1058,21 @@ declare namespace Paths {
             }
         }
     }
+    namespace MarkReadThreadV2 {
+        namespace Parameters {
+            export type Id = string;
+        }
+        export interface PathParameters {
+            id: Parameters.Id;
+        }
+        export type RequestBody = Components.Schemas.ReadMessagePayload;
+        namespace Responses {
+            export interface $204 {
+            }
+            export interface $403 {
+            }
+        }
+    }
     namespace MarkUnreadMessage {
         namespace Parameters {
             export type Id = string;
@@ -1038,6 +1087,21 @@ declare namespace Paths {
             }
         }
     }
+    namespace MarkUnreadMessageV2 {
+        namespace Parameters {
+            export type Id = string;
+        }
+        export interface PathParameters {
+            id: Parameters.Id;
+        }
+        export type RequestBody = Components.Schemas.ReadMessagePayload;
+        namespace Responses {
+            export interface $204 {
+            }
+            export interface $403 {
+            }
+        }
+    }
     namespace MarkUnreadThread {
         namespace Parameters {
             export type Id = string;
@@ -1052,6 +1116,21 @@ declare namespace Paths {
             }
         }
     }
+    namespace MarkUnreadThreadV2 {
+        namespace Parameters {
+            export type Id = string;
+        }
+        export interface PathParameters {
+            id: Parameters.Id;
+        }
+        export type RequestBody = Components.Schemas.ReadMessagePayload;
+        namespace Responses {
+            export interface $204 {
+            }
+            export interface $403 {
+            }
+        }
+    }
     namespace SearchThreads {
         export type RequestBody = Components.Schemas.SearchParams;
         namespace Responses {
@@ -1077,7 +1156,7 @@ declare namespace Paths {
                      */
                     _title: string;
                     /**
-                     * Ivy Organization ID the entity belongs to
+                     * Organization ID the entity belongs to
                      * example:
                      * 206801
                      */
@@ -1116,11 +1195,11 @@ declare namespace Paths {
                      */
                     topic: string;
                     /**
-                     * Ivy User ID of who the message is assigned to. Default is the user who sends message.
+                     * User ID of who the message is assigned to. Default is the user who sends message.
                      */
                     assigned_to?: string[];
                     /**
-                     * Ivy Organization ID of organization read the message.
+                     * Organization ID of organization read the message.
                      */
                     org_read_message?: string[];
                     latest_message?: Components.Schemas.Message;
@@ -1151,7 +1230,7 @@ declare namespace Paths {
                  */
                 _title: string;
                 /**
-                 * Ivy Organization ID the entity belongs to
+                 * Organization ID the entity belongs to
                  * example:
                  * 206801
                  */
@@ -1190,7 +1269,7 @@ declare namespace Paths {
                  */
                 message_id?: string;
                 /**
-                 * Ivy User ID of user sends the message.
+                 * User ID of user sends the message.
                  * example:
                  * 206801
                  */
@@ -1243,11 +1322,11 @@ declare namespace Paths {
                  */
                 in_reply_to?: string;
                 /**
-                 * Ivy User ID of user read the message.
+                 * User ID of user read the message.
                  */
                 user_read_message?: string[];
                 /**
-                 * Ivy Organization ID of organization read the message.
+                 * Organization ID of organization read the message.
                  */
                 org_read_message?: string[];
                 /**
@@ -1385,7 +1464,7 @@ declare namespace Paths {
                  */
                 _title: string;
                 /**
-                 * Ivy Organization ID the entity belongs to
+                 * Organization ID the entity belongs to
                  * example:
                  * 206801
                  */
@@ -1424,7 +1503,7 @@ declare namespace Paths {
                  */
                 message_id?: string;
                 /**
-                 * Ivy User ID of user sends the message.
+                 * User ID of user sends the message.
                  * example:
                  * 206801
                  */
@@ -1477,11 +1556,11 @@ declare namespace Paths {
                  */
                 in_reply_to?: string;
                 /**
-                 * Ivy User ID of user read the message.
+                 * User ID of user read the message.
                  */
                 user_read_message?: string[];
                 /**
-                 * Ivy Organization ID of organization read the message.
+                 * Organization ID of organization read the message.
                  */
                 org_read_message?: string[];
                 /**
@@ -1521,7 +1600,7 @@ declare namespace Paths {
                  */
                 _title: string;
                 /**
-                 * Ivy Organization ID the entity belongs to
+                 * Organization ID the entity belongs to
                  * example:
                  * 206801
                  */
@@ -1560,11 +1639,11 @@ declare namespace Paths {
                  */
                 topic: string;
                 /**
-                 * Ivy User ID of who the message is assigned to. Default is the user who sends message.
+                 * User ID of who the message is assigned to. Default is the user who sends message.
                  */
                 assigned_to?: string[];
                 /**
-                 * Ivy Organization ID of organization read the message.
+                 * Organization ID of organization read the message.
                  */
                 org_read_message?: string[];
                 latest_message?: Components.Schemas.Message;
@@ -1653,6 +1732,16 @@ export interface OperationMethods {
     data?: any,
     config?: AxiosRequestConfig  
   ): OperationResponse<Paths.MarkReadMessage.Responses.$204>
+  /**
+   * markReadMessageV2 - markReadMessageV2
+   * 
+   * Mark message as read within a scope
+   */
+  'markReadMessageV2'(
+    parameters?: Parameters<Paths.MarkReadMessageV2.PathParameters> | null,
+    data?: Paths.MarkReadMessageV2.RequestBody,
+    config?: AxiosRequestConfig  
+  ): OperationResponse<Paths.MarkReadMessageV2.Responses.$204>
   /**
    * markUnreadMessage - markUnreadMessage
    * 
@@ -1663,6 +1752,16 @@ export interface OperationMethods {
     data?: any,
     config?: AxiosRequestConfig  
   ): OperationResponse<Paths.MarkUnreadMessage.Responses.$204>
+  /**
+   * markUnreadMessageV2 - markUnreadMessageV2
+   * 
+   * Mark message as unread within a scope
+   */
+  'markUnreadMessageV2'(
+    parameters?: Parameters<Paths.MarkUnreadMessageV2.PathParameters> | null,
+    data?: Paths.MarkUnreadMessageV2.RequestBody,
+    config?: AxiosRequestConfig  
+  ): OperationResponse<Paths.MarkUnreadMessageV2.Responses.$204>
   /**
    * searchThreads - searchThreads
    * 
@@ -1728,6 +1827,16 @@ export interface OperationMethods {
     data?: any,
     config?: AxiosRequestConfig  
   ): OperationResponse<Paths.MarkReadThread.Responses.$204>
+  /**
+   * markReadThreadV2 - markReadThreadV2
+   * 
+   * Mark thread as read within a scope
+   */
+  'markReadThreadV2'(
+    parameters?: Parameters<Paths.MarkReadThreadV2.PathParameters> | null,
+    data?: Paths.MarkReadThreadV2.RequestBody,
+    config?: AxiosRequestConfig  
+  ): OperationResponse<Paths.MarkReadThreadV2.Responses.$204>
   /**
    * markUnreadThread - markUnreadThread
    * 
@@ -1738,6 +1847,16 @@ export interface OperationMethods {
     data?: any,
     config?: AxiosRequestConfig  
   ): OperationResponse<Paths.MarkUnreadThread.Responses.$204>
+  /**
+   * markUnreadThreadV2 - markUnreadThreadV2
+   * 
+   * Mark thread as unread within a scope
+   */
+  'markUnreadThreadV2'(
+    parameters?: Parameters<Paths.MarkUnreadThreadV2.PathParameters> | null,
+    data?: Paths.MarkUnreadThreadV2.RequestBody,
+    config?: AxiosRequestConfig  
+  ): OperationResponse<Paths.MarkUnreadThreadV2.Responses.$204>
   /**
    * assignThread - assignThread
    * 
@@ -1893,6 +2012,18 @@ export interface PathsDictionary {
       config?: AxiosRequestConfig  
     ): OperationResponse<Paths.MarkReadMessage.Responses.$204>
   }
+  ['/v2/message/messages/{id}/read']: {
+    /**
+     * markReadMessageV2 - markReadMessageV2
+     * 
+     * Mark message as read within a scope
+     */
+    'post'(
+      parameters?: Parameters<Paths.MarkReadMessageV2.PathParameters> | null,
+      data?: Paths.MarkReadMessageV2.RequestBody,
+      config?: AxiosRequestConfig  
+    ): OperationResponse<Paths.MarkReadMessageV2.Responses.$204>
+  }
   ['/v1/message/messages/{id}/unread']: {
     /**
      * markUnreadMessage - markUnreadMessage
@@ -1905,6 +2036,18 @@ export interface PathsDictionary {
       config?: AxiosRequestConfig  
     ): OperationResponse<Paths.MarkUnreadMessage.Responses.$204>
   }
+  ['/v2/message/messages/{id}/unread']: {
+    /**
+     * markUnreadMessageV2 - markUnreadMessageV2
+     * 
+     * Mark message as unread within a scope
+     */
+    'post'(
+      parameters?: Parameters<Paths.MarkUnreadMessageV2.PathParameters> | null,
+      data?: Paths.MarkUnreadMessageV2.RequestBody,
+      config?: AxiosRequestConfig  
+    ): OperationResponse<Paths.MarkUnreadMessageV2.Responses.$204>
+  }
   ['/v1/message/threads:search']: {
     /**
      * searchThreads - searchThreads
@@ -1982,6 +2125,18 @@ export interface PathsDictionary {
       config?: AxiosRequestConfig  
     ): OperationResponse<Paths.MarkReadThread.Responses.$204>
   }
+  ['/v2/message/threads/{id}/read']: {
+    /**
+     * markReadThreadV2 - markReadThreadV2
+     * 
+     * Mark thread as read within a scope
+     */
+    'post'(
+      parameters?: Parameters<Paths.MarkReadThreadV2.PathParameters> | null,
+      data?: Paths.MarkReadThreadV2.RequestBody,
+      config?: AxiosRequestConfig  
+    ): OperationResponse<Paths.MarkReadThreadV2.Responses.$204>
+  }
   ['/v1/message/threads/{id}/unread']: {
     /**
      * markUnreadThread - markUnreadThread
@@ -1994,6 +2149,18 @@ export interface PathsDictionary {
       config?: AxiosRequestConfig  
     ): OperationResponse<Paths.MarkUnreadThread.Responses.$204>
   }
+  ['/v2/message/threads/{id}/unread']: {
+    /**
+     * markUnreadThreadV2 - markUnreadThreadV2
+     * 
+     * Mark thread as unread within a scope
+     */
+    'post'(
+      parameters?: Parameters<Paths.MarkUnreadThreadV2.PathParameters> | null,
+      data?: Paths.MarkUnreadThreadV2.RequestBody,
+      config?: AxiosRequestConfig  
+    ): OperationResponse<Paths.MarkUnreadThreadV2.Responses.$204>
+  }
   ['/v1/message/threads/{id}/assign']: {
     /**
      * assignThread - assignThread
@@ -2089,5 +2256,7 @@ export type File = Components.Schemas.File;
 export type Message = Components.Schemas.Message;
 export type MessageRequestParams = Components.Schemas.MessageRequestParams;
 export type MessageV2 = Components.Schemas.MessageV2;
+export type ReadMessagePayload = Components.Schemas.ReadMessagePayload;
+export type ReadingScope = Components.Schemas.ReadingScope;
 export type SearchParams = Components.Schemas.SearchParams;
 export type Thread = Components.Schemas.Thread;
diff --git a/clients/message-client/src/openapi.json b/clients/message-client/src/openapi.json
index e0960633..33921799 100644
--- a/clients/message-client/src/openapi.json
+++ b/clients/message-client/src/openapi.json
@@ -270,6 +270,45 @@
         }
       }
     },
+    "/v2/message/messages/{id}/read": {
+      "post": {
+        "operationId": "markReadMessageV2",
+        "summary": "markReadMessageV2",
+        "description": "Mark message as read within a scope",
+        "tags": [
+          "Messages"
+        ],
+        "parameters": [
+          {
+            "name": "id",
+            "description": "Message ID",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/ReadMessagePayload"
+              }
+            }
+          }
+        },
+        "responses": {
+          "204": {
+            "description": "Success"
+          },
+          "403": {
+            "description": "Forbidden"
+          }
+        }
+      }
+    },
     "/v1/message/messages/{id}/unread": {
       "post": {
         "operationId": "markUnreadMessage",
@@ -299,6 +338,45 @@
         }
       }
     },
+    "/v2/message/messages/{id}/unread": {
+      "post": {
+        "operationId": "markUnreadMessageV2",
+        "summary": "markUnreadMessageV2",
+        "description": "Mark message as unread within a scope",
+        "tags": [
+          "Messages"
+        ],
+        "parameters": [
+          {
+            "name": "id",
+            "description": "Message ID",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/ReadMessagePayload"
+              }
+            }
+          }
+        },
+        "responses": {
+          "204": {
+            "description": "Success"
+          },
+          "403": {
+            "description": "Forbidden"
+          }
+        }
+      }
+    },
     "/v1/message/threads:search": {
       "post": {
         "operationId": "searchThreads",
@@ -506,6 +584,45 @@
         }
       }
     },
+    "/v2/message/threads/{id}/read": {
+      "post": {
+        "operationId": "markReadThreadV2",
+        "summary": "markReadThreadV2",
+        "description": "Mark thread as read within a scope",
+        "tags": [
+          "Threads"
+        ],
+        "parameters": [
+          {
+            "name": "id",
+            "description": "Thread ID",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/ReadMessagePayload"
+              }
+            }
+          }
+        },
+        "responses": {
+          "204": {
+            "description": "Success"
+          },
+          "403": {
+            "description": "Forbidden"
+          }
+        }
+      }
+    },
     "/v1/message/threads/{id}/unread": {
       "post": {
         "operationId": "markUnreadThread",
@@ -535,6 +652,45 @@
         }
       }
     },
+    "/v2/message/threads/{id}/unread": {
+      "post": {
+        "operationId": "markUnreadThreadV2",
+        "summary": "markUnreadThreadV2",
+        "description": "Mark thread as unread within a scope",
+        "tags": [
+          "Threads"
+        ],
+        "parameters": [
+          {
+            "name": "id",
+            "description": "Thread ID",
+            "in": "path",
+            "required": true,
+            "schema": {
+              "type": "string"
+            }
+          }
+        ],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/ReadMessagePayload"
+              }
+            }
+          }
+        },
+        "responses": {
+          "204": {
+            "description": "Success"
+          },
+          "403": {
+            "description": "Forbidden"
+          }
+        }
+      }
+    },
     "/v1/message/threads/{id}/assign": {
       "post": {
         "operationId": "assignThread",
@@ -853,7 +1009,7 @@
           },
           "_org": {
             "type": "string",
-            "description": "Ivy Organization ID the entity belongs to",
+            "description": "Organization ID the entity belongs to",
             "example": "206801"
           },
           "_schema": {
@@ -899,7 +1055,7 @@
           },
           "assigned_to": {
             "type": "array",
-            "description": "Ivy User ID of who the message is assigned to. Default is the user who sends message.",
+            "description": "User ID of who the message is assigned to. Default is the user who sends message.",
             "items": {
               "type": "string",
               "example": [
@@ -910,7 +1066,7 @@
           },
           "org_read_message": {
             "type": "array",
-            "description": "Ivy Organization ID of organization read the message.",
+            "description": "Organization ID of organization read the message.",
             "items": {
               "type": "string",
               "example": [
@@ -950,7 +1106,7 @@
           },
           "sender": {
             "type": "string",
-            "description": "Ivy User ID of user sends the message.",
+            "description": "User ID of user sends the message.",
             "example": "206801"
           },
           "subject": {
@@ -1010,7 +1166,7 @@
           },
           "user_read_message": {
             "type": "array",
-            "description": "Ivy User ID of user read the message.",
+            "description": "User ID of user read the message.",
             "items": {
               "type": "string",
               "example": [
@@ -1021,7 +1177,7 @@
           },
           "org_read_message": {
             "type": "array",
-            "description": "Ivy Organization ID of organization read the message.",
+            "description": "Organization ID of organization read the message.",
             "items": {
               "type": "string",
               "example": [
@@ -1159,6 +1315,10 @@
             "type": "boolean",
             "description": "To indicate this file relation is message attachment. If false then this file will not be sent and simply kept as a file relation."
           },
+          "may_be_signature_attachment": {
+            "type": "boolean",
+            "description": "To indicate this file relation may be signature attachment. If true then this file will be sent as signature attachment and not related to any entity."
+          },
           "cid": {
             "type": "string",
             "description": "Content ID (for inline)",
@@ -1196,7 +1356,7 @@
               },
               "assigned_to": {
                 "type": "array",
-                "description": "Ivy User ID of who the message is assigned to. Default is the user who sends message.",
+                "description": "User ID of who the message is assigned to. Default is the user who sends message.",
                 "items": {
                   "type": "string"
                 }
@@ -1290,10 +1450,44 @@
             "default": 10
           }
         }
+      },
+      "ReadMessagePayload": {
+        "type": "object",
+        "required": [
+          "scopes"
+        ],
+        "properties": {
+          "scopes": {
+            "description": "The scopes to be used when marking an item as read or unread. The read status will be synced for all provided scopes.",
+            "example": [
+              "organization",
+              "user"
+            ],
+            "type": "array",
+            "default": [
+              "organization",
+              "user"
+            ],
+            "items": {
+              "$ref": "#/components/schemas/ReadingScope"
+            }
+          }
+        }
+      },
+      "ReadingScope": {
+        "description": "Who is marking an item as read or unread.",
+        "type": "string",
+        "enum": [
+          "organization",
+          "user"
+        ]
       }
     }
   },
   "servers": [
+    {
+      "url": "https://message.sls.epilot.io"
+    },
     {
       "url": "https://message.sls.epilot.io"
     }