diff --git a/packages/roosterjs-content-model-core/lib/coreApi/formatContentModel/formatContentModel.ts b/packages/roosterjs-content-model-core/lib/coreApi/formatContentModel/formatContentModel.ts
index 480a7ad3a28..835f5084082 100644
--- a/packages/roosterjs-content-model-core/lib/coreApi/formatContentModel/formatContentModel.ts
+++ b/packages/roosterjs-content-model-core/lib/coreApi/formatContentModel/formatContentModel.ts
@@ -47,7 +47,10 @@ export const formatContentModel: FormatContentModel = (
 
     if (changed) {
         const isNested = core.undo.isNested;
-        const shouldAddSnapshot = !skipUndoSnapshot && !isNested;
+        const shouldAddSnapshot =
+            (!skipUndoSnapshot || skipUndoSnapshot == 'DoNotSkip') && !isNested;
+        const shouldMarkNewContent =
+            (skipUndoSnapshot === true || skipUndoSnapshot == 'MarkNewContent') && !isNested;
         let selection: DOMSelection | undefined;
 
         if (shouldAddSnapshot) {
@@ -94,7 +97,9 @@ export const formatContentModel: FormatContentModel = (
 
             if (shouldAddSnapshot) {
                 core.api.addUndoSnapshot(core, false /*canUndoByBackspace*/, entityStates);
-            } else {
+            }
+
+            if (shouldMarkNewContent) {
                 core.undo.snapshotsManager.hasNewContent = true;
             }
         } finally {
diff --git a/packages/roosterjs-content-model-core/test/coreApi/formatContentModel/formatContentModelTest.ts b/packages/roosterjs-content-model-core/test/coreApi/formatContentModel/formatContentModelTest.ts
index 6583eff98a6..82de8c4fa4e 100644
--- a/packages/roosterjs-content-model-core/test/coreApi/formatContentModel/formatContentModelTest.ts
+++ b/packages/roosterjs-content-model-core/test/coreApi/formatContentModel/formatContentModelTest.ts
@@ -123,7 +123,7 @@ describe('formatContentModel', () => {
             expect(announce).not.toHaveBeenCalled();
         });
 
-        it('Skip undo snapshot', () => {
+        it('Skip undo snapshot = true', () => {
             const callback = jasmine.createSpy('callback').and.callFake((model, context) => {
                 context.skipUndoSnapshot = true;
                 return true;
@@ -157,6 +157,155 @@ describe('formatContentModel', () => {
                 true
             );
             expect(announce).not.toHaveBeenCalled();
+            expect(core.undo.snapshotsManager.hasNewContent).toBeTrue();
+        });
+
+        it('Skip undo snapshot = false', () => {
+            const callback = jasmine.createSpy('callback').and.callFake((model, context) => {
+                context.skipUndoSnapshot = false;
+                return true;
+            });
+
+            formatContentModel(core, callback, { apiName });
+
+            expect(callback).toHaveBeenCalledWith(mockedModel, {
+                newEntities: [],
+                deletedEntities: [],
+                rawEvent: undefined,
+                skipUndoSnapshot: false,
+                newImages: [],
+            });
+            expect(createContentModel).toHaveBeenCalledTimes(1);
+            expect(addUndoSnapshot).toHaveBeenCalledTimes(2);
+            expect(setContentModel).toHaveBeenCalledTimes(1);
+            expect(setContentModel).toHaveBeenCalledWith(core, mockedModel, undefined, undefined);
+            expect(triggerEvent).toHaveBeenCalledTimes(1);
+            expect(triggerEvent).toHaveBeenCalledWith(
+                core,
+                {
+                    eventType: 'contentChanged',
+                    contentModel: mockedModel,
+                    selection: mockedSelection,
+                    source: ChangeSource.Format,
+                    data: undefined,
+                    formatApiName: apiName,
+                    changedEntities: [],
+                },
+                true
+            );
+            expect(announce).not.toHaveBeenCalled();
+            expect(core.undo.snapshotsManager.hasNewContent).toBeFalsy();
+        });
+
+        it('Skip undo snapshot = DoNotSkip', () => {
+            const callback = jasmine.createSpy('callback').and.callFake((model, context) => {
+                context.skipUndoSnapshot = 'DoNotSkip';
+                return true;
+            });
+
+            formatContentModel(core, callback, { apiName });
+
+            expect(callback).toHaveBeenCalledWith(mockedModel, {
+                newEntities: [],
+                deletedEntities: [],
+                rawEvent: undefined,
+                skipUndoSnapshot: 'DoNotSkip',
+                newImages: [],
+            });
+            expect(createContentModel).toHaveBeenCalledTimes(1);
+            expect(addUndoSnapshot).toHaveBeenCalledTimes(2);
+            expect(setContentModel).toHaveBeenCalledTimes(1);
+            expect(setContentModel).toHaveBeenCalledWith(core, mockedModel, undefined, undefined);
+            expect(triggerEvent).toHaveBeenCalledTimes(1);
+            expect(triggerEvent).toHaveBeenCalledWith(
+                core,
+                {
+                    eventType: 'contentChanged',
+                    contentModel: mockedModel,
+                    selection: mockedSelection,
+                    source: ChangeSource.Format,
+                    data: undefined,
+                    formatApiName: apiName,
+                    changedEntities: [],
+                },
+                true
+            );
+            expect(announce).not.toHaveBeenCalled();
+            expect(core.undo.snapshotsManager.hasNewContent).toBeFalsy();
+        });
+
+        it('Skip undo snapshot = MarkNewContent', () => {
+            const callback = jasmine.createSpy('callback').and.callFake((model, context) => {
+                context.skipUndoSnapshot = 'MarkNewContent';
+                return true;
+            });
+
+            formatContentModel(core, callback, { apiName });
+
+            expect(callback).toHaveBeenCalledWith(mockedModel, {
+                newEntities: [],
+                deletedEntities: [],
+                rawEvent: undefined,
+                skipUndoSnapshot: 'MarkNewContent',
+                newImages: [],
+            });
+            expect(createContentModel).toHaveBeenCalledTimes(1);
+            expect(addUndoSnapshot).toHaveBeenCalledTimes(0);
+            expect(setContentModel).toHaveBeenCalledTimes(1);
+            expect(setContentModel).toHaveBeenCalledWith(core, mockedModel, undefined, undefined);
+            expect(triggerEvent).toHaveBeenCalledTimes(1);
+            expect(triggerEvent).toHaveBeenCalledWith(
+                core,
+                {
+                    eventType: 'contentChanged',
+                    contentModel: mockedModel,
+                    selection: mockedSelection,
+                    source: ChangeSource.Format,
+                    data: undefined,
+                    formatApiName: apiName,
+                    changedEntities: [],
+                },
+                true
+            );
+            expect(announce).not.toHaveBeenCalled();
+            expect(core.undo.snapshotsManager.hasNewContent).toBeTruthy();
+        });
+
+        it('Skip undo snapshot = SkipAll', () => {
+            const callback = jasmine.createSpy('callback').and.callFake((model, context) => {
+                context.skipUndoSnapshot = 'SkipAll';
+                return true;
+            });
+
+            formatContentModel(core, callback, { apiName });
+
+            expect(callback).toHaveBeenCalledWith(mockedModel, {
+                newEntities: [],
+                deletedEntities: [],
+                rawEvent: undefined,
+                skipUndoSnapshot: 'SkipAll',
+                newImages: [],
+            });
+            expect(createContentModel).toHaveBeenCalledTimes(1);
+            expect(addUndoSnapshot).toHaveBeenCalledTimes(0);
+            expect(setContentModel).toHaveBeenCalledTimes(1);
+            expect(setContentModel).toHaveBeenCalledWith(core, mockedModel, undefined, undefined);
+            expect(triggerEvent).toHaveBeenCalledTimes(1);
+            expect(triggerEvent).toHaveBeenCalledWith(
+                core,
+                {
+                    eventType: 'contentChanged',
+                    contentModel: mockedModel,
+                    selection: mockedSelection,
+                    source: ChangeSource.Format,
+                    data: undefined,
+                    formatApiName: apiName,
+                    changedEntities: [],
+                },
+                true
+            );
+            expect(announce).not.toHaveBeenCalled();
+            expect(core.undo.snapshotsManager.hasNewContent).toBeFalsy();
         });
 
         it('Customize change source', () => {
@@ -1028,9 +1177,7 @@ describe('formatContentModel', () => {
             expect(setContentModel).toHaveBeenCalledWith(core, mockedModel, undefined, undefined);
             expect(core.undo).toEqual({
                 isNested: true,
-                snapshotsManager: {
-                    hasNewContent: true,
-                },
+                snapshotsManager: {},
             } as any);
         });
     });
diff --git a/packages/roosterjs-content-model-types/lib/parameter/FormatContentModelContext.ts b/packages/roosterjs-content-model-types/lib/parameter/FormatContentModelContext.ts
index 7ee2b7f1894..eb27499b737 100644
--- a/packages/roosterjs-content-model-types/lib/parameter/FormatContentModelContext.ts
+++ b/packages/roosterjs-content-model-types/lib/parameter/FormatContentModelContext.ts
@@ -71,8 +71,13 @@ export interface FormatContentModelContext {
      * @optional
      * When pass true, skip adding undo snapshot when write Content Model back to DOM.
      * Need to be set by the formatter function
+     * Default value is false, which means add undo snapshot
+     * When set to true, it will skip adding undo snapshot but mark "hasNewContent" so that next undo snapshot will be added, this is same with "MarkNewContent"
+     * When set to 'DoNotSkip', it will add undo snapshot (default behavior)
+     * When set to 'MarkNewContent', it will skip adding undo snapshot but mark "hasNewContent" so that next undo snapshot will be added
+     * When set to 'SkipAll', it will skip adding undo snapshot and not mark "hasNewContent", as if no change is made
      */
-    skipUndoSnapshot?: boolean;
+    skipUndoSnapshot?: boolean | 'DoNotSkip' | 'MarkNewContent' | 'SkipAll';
 
     /**
      * @optional