diff --git a/CHANGELOG.md b/CHANGELOG.md
index d71263e2d..8445a209a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,6 @@
 # Change Log
 
+- docs api: the editorConfig.customization.submitForm parameter can now be used as an object
 - docs api: the editorConfig.customization.compactToolbar parameter is now available for the viewer
 - docs api: added the editorConfig.customization.pointerMode parameter
 - docs api: updated the WOPI section
diff --git a/site/assets/images/editor/submitForm-message.png b/site/assets/images/editor/submitForm-message.png
new file mode 100644
index 000000000..589e27bce
Binary files /dev/null and b/site/assets/images/editor/submitForm-message.png differ
diff --git a/site/pages/Docs/Docs API/More Information/Changelog/index.md b/site/pages/Docs/Docs API/More Information/Changelog/index.md
index d2b0a146d..8dc9a8fa6 100644
--- a/site/pages/Docs/Docs API/More Information/Changelog/index.md	
+++ b/site/pages/Docs/Docs API/More Information/Changelog/index.md	
@@ -2,8 +2,8 @@ The list of changes of ONLYOFFICE Docs API.
 
 ## Version 8.3
 
+- The [editorConfig.customization.submitForm](../../Usage%20API/Config/Editor/Customization/index.md#submitform) parameter can now be used as an object.
 - The [editorConfig.customization.compactToolbar](../../Usage%20API/Config/Editor/Customization/index.md#compacttoolbar) parameter is now available for the viewer.
-
 - Added the [editorConfig.customization.pointerMode](../../Usage%20API/Config/Editor/Customization/index.md#pointermode) parameter.
 
 ## Version 8.2
diff --git a/site/pages/Docs/Docs API/Usage API/Advanced parameters/index.md b/site/pages/Docs/Docs API/Usage API/Advanced parameters/index.md
index 5fd3a7b09..55bd6b607 100644
--- a/site/pages/Docs/Docs API/Usage API/Advanced parameters/index.md	
+++ b/site/pages/Docs/Docs API/Usage API/Advanced parameters/index.md	
@@ -206,7 +206,10 @@ const config = {
         trackChanges: true,
         hoverMode: false,
       },
-      submitForm: true,
+      submitForm: {
+        visible: true,
+        resultMessage: "text",
+      },
       toolbarHideFileName: false,
       uiTheme: "theme-dark",
       unit: "cm",
diff --git a/site/pages/Docs/Docs API/Usage API/Config/Editor/Customization/index.md b/site/pages/Docs/Docs API/Usage API/Config/Editor/Customization/index.md
index 3936a0ca6..f7337b400 100644
--- a/site/pages/Docs/Docs API/Usage API/Config/Editor/Customization/index.md	
+++ b/site/pages/Docs/Docs API/Usage API/Config/Editor/Customization/index.md	
@@ -1306,13 +1306,34 @@ Example: true
 
 ## submitForm
 
-Defines if the **Complete & Submit** button is displayed or hidden on the top toolbar. Button will only be available for the *pdf* format. The default value is **false**.
+Starting from version 8.3, defines the **Complete & Submit** button settings. If this parameter is a boolean value, then it specifies whether the **Complete & Submit** button will be displayed or hidden on the top toolbar. Button will only be available for the *pdf* format. The default value is **true**.
 
-Type: boolean
+Type: object or boolean
 
 Example: true
 
 ![Submit button](/assets/images/editor/submitForm.png)
+![Submit button](/assets/images/editor/submitForm-message.png)
+
+### submitForm.visible
+
+Defines whether the **Complete & Submit** button will be displayed or hidden on the top toolbar. Button will only be available for the *pdf* format. The default value is **true**.
+
+Type: boolean
+
+Example: true
+
+### submitForm.resultMessage
+
+Defines a message displayed after forms are submitted. The following values are available:
+
+- **""** - the message will not be displayed;
+- **null / undefined** - the default message will be displayed;
+- **"text"** - any text that the user specifies will be displayed.
+
+Type: string
+
+Example: "text"
 
 ## toolbar
 
@@ -1531,7 +1552,10 @@ const docEditor = new DocsAPI.DocEditor("placeholder", {
         trackChanges: true,
         hoverMode: false,
       },
-      submitForm: true,
+      submitForm: {
+        visible: true,
+        resultMessage: "text",
+      },
       toolbarHideFileName: false,
       uiTheme: "theme-dark",
       unit: "cm",