pnp · Ateina · Apr 27, 2026
diff --git a/src/controls/dynamicForm/DynamicForm.tsx b/src/controls/dynamicForm/DynamicForm.tsx
@@ -37,7 +37,7 @@ import { IInstalledLanguageInfo, IItemUpdateResult, IList, ITermInfo, ChoiceFiel
 import { cloneDeep, isEqual } from "lodash";
 import { ICustomFormatting, ICustomFormattingBodySection, ICustomFormattingNode } from "../../common/utilities/ICustomFormatting";
 import SPservice from "../../services/SPService";
-import { IRenderListDataAsStreamClientFormResult } from "../../services/ISPService";
+import { IAppendOnlyNoteHistoryEntry, IClientFormTextFieldInfo, IRenderExtendedListFormDataResultNotesField, IRenderExtendedListFormDataResultStatic, IRenderListDataAsStreamClientFormResult } from "../../services/ISPService";
 import { ISPField, IUploadImageResult } from "../../common/SPEntities";
 import { FormulaEvaluation } from "../../common/utilities/FormulaEvaluation";
 import { Context } from "../../common/utilities/FormulaEvaluation.types";
@@ -695,6 +695,21 @@ export class DynamicFormBase extends React.Component<
         }
       }
 
+      // Reload append-only history after save
+      if (listItemId && this.state.fieldCollection.some(f => f.isAppendOnly)) {
+        const updatedExtendedInfo = await this._spService.getExtendedListFormData(listId, listItemId, this.webURL);
+        this.setState(prevState => ({
+          fieldCollection: prevState.fieldCollection.map(field =>
+            field.isAppendOnly 
+            ? { ...field, 
+                notesAppendOnlyHistory: updatedExtendedInfo[field.columnInternalName], 
+                newValue: '', 
+                value: '' } 
+            : field
+          )
+        }));
+      }
+
       this.setState({
         isSaving: false,
         etag: newETag,
@@ -1059,6 +1074,7 @@ export class DynamicFormBase extends React.Component<
       let item = null;
       const isEditingItem = listItemId !== undefined && listItemId !== null && listItemId !== 0;
       let etag: string | undefined = undefined;
+      let extendedInfo: (IRenderExtendedListFormDataResultStatic & IRenderExtendedListFormDataResultNotesField) | undefined = undefined;
 
       if (isEditingItem) {
         const spListItem = spList.items.getById(listItemId);
@@ -1076,6 +1092,13 @@ export class DynamicFormBase extends React.Component<
         if (respectETag !== false) {
           etag = item["odata.etag"];
         }
+
+        const appendOnlyFields = listInfo.ClientForms.Edit[contentTypeName]
+          .filter(field => field.FieldType === 'Note' && (field as IClientFormTextFieldInfo).AppendOnly);
+
+        if (appendOnlyFields.length > 0) {
+          extendedInfo = await this._spService.getExtendedListFormData(listId, listItemId, this.webURL);
+        }
       }
 
       // Build the field collection
@@ -1087,7 +1110,8 @@ export class DynamicFormBase extends React.Component<
         listId,
         listItemId,
         disabledFields,
-        customIcons
+        customIcons,
+        extendedInfo
       );
 
       const sortedFields = this.props.fieldOrder?.length > 0
@@ -1133,7 +1157,7 @@ export class DynamicFormBase extends React.Component<
    * @returns
    */
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  private async buildFieldCollection(listInfo: IRenderListDataAsStreamClientFormResult, contentTypeName: string, item: any, numberFields: ISPField[], listId: string, listItemId: number, disabledFields: string[], customIcons: { [key: string]: string }): Promise<IDynamicFieldProps[]> {
+  private async buildFieldCollection(listInfo: IRenderListDataAsStreamClientFormResult, contentTypeName: string, item: any, numberFields: ISPField[], listId: string, listItemId: number, disabledFields: string[], customIcons: { [key: string]: string }, extendedInfo: (IRenderExtendedListFormDataResultStatic & IRenderExtendedListFormDataResultNotesField) | undefined): Promise<IDynamicFieldProps[]> {
     const { useModernTaxonomyPicker } = this.props;
     const tempFields: IDynamicFieldProps[] = [];
     let order: number = 0;
@@ -1158,6 +1182,7 @@ export class DynamicFormBase extends React.Component<
           let stringValue = null;
           const subPropertyValues: Record<string, unknown> = {};
           let richText = false;
+          let appendOnly = false;
           let dateFormat: DateFormat | undefined;
           let principalType = "";
           let cultureName: string;
@@ -1167,7 +1192,7 @@ export class DynamicFormBase extends React.Component<
           // eslint-disable-next-line @typescript-eslint/no-explicit-any
           const selectedTags: any = [];
           let choiceType: ChoiceFieldFormatType | undefined;
-
+          let notesAppendOnlyHistory: IAppendOnlyNoteHistoryEntry[] | undefined;
           let fieldName = field.InternalName;
           if (fieldName.startsWith('_x') || fieldName.startsWith('_')) {
             fieldName = `OData_${fieldName}`;
@@ -1205,6 +1230,11 @@ export class DynamicFormBase extends React.Component<
           // Setup Note, Number and Currency fields
           if (field.FieldType === "Note") {
             richText = field.RichText;
+            appendOnly = field.AppendOnly;
+            if (field.AppendOnly) {
+              notesAppendOnlyHistory = extendedInfo?.[field.InternalName];
+              value = '';
+            }
           }
           if (field.FieldType === "Number" || field.FieldType === "Currency") {
             const numberField = numberFields.find(f => f.InternalName === field.InternalName);
@@ -1486,6 +1516,7 @@ export class DynamicFormBase extends React.Component<
             hiddenFieldName: hiddenName,
             Order: order,
             isRichText: richText,
+            isAppendOnly: appendOnly,
             dateFormat: dateFormat,
             firstDayOfWeek: defaultDayOfWeek,
             listItemId: listItemId,
@@ -1496,7 +1527,8 @@ export class DynamicFormBase extends React.Component<
             showAsPercentage: showAsPercentage,
             customIcon: customIcons ? customIcons[field.InternalName] : undefined,
             useModernTaxonomyPickerControl: useModernTaxonomyPicker,
-            choiceType: choiceType
+            choiceType: choiceType,
+            notesAppendOnlyHistory: notesAppendOnlyHistory
           });
 
           // This may not be necessary now using RenderListDataAsStream

diff --git a/src/controls/dynamicForm/dynamicField/DynamicField.styles.ts b/src/controls/dynamicForm/dynamicField/DynamicField.styles.ts
@@ -25,6 +25,10 @@ export const getFieldStyles = (
     thumbnailFieldButtons: 'thumbnailFieldButtons',
     selectedFileContainer: 'selectedFileContainer',
     fieldRequired: 'fieldRequired',
+    appendOnlyHistoryContainer: 'appendOnlyHistoryContainer',
+    appendOnlyHistoryEntry: 'appendOnlyHistoryEntry',
+    appendOnlyHistoryAuthor: 'appendOnlyHistoryAuthor',
+    appendOnlyHistoryDate: 'appendOnlyHistoryDate',
   };
 
   const fieldDisplayNoPadding_style: IStyle = {
@@ -131,6 +135,19 @@ export const getFieldStyles = (
       globalClassNames.thumbnailFieldButtons,
       { display: 'flex' },
     ],
+    appendOnlyHistoryContainer: [globalClassNames.appendOnlyHistoryContainer, { selectors: { p: { margin: 0 } } }],
+    appendOnlyHistoryEntry: [
+      globalClassNames.appendOnlyHistoryEntry,
+      { display: 'flex', gap: 4, fontSize: 12, padding: '4px 0' },
+    ],
+    appendOnlyHistoryAuthor: [
+      globalClassNames.appendOnlyHistoryAuthor,
+      { fontWeight: 600 },
+    ],
+    appendOnlyHistoryDate: [
+      globalClassNames.appendOnlyHistoryDate,
+      { color: palette.themePrimary, cursor: 'pointer' },
+    ],
     errormessage: [
       globalClassNames.errormessage,
       {

diff --git a/src/controls/dynamicForm/dynamicField/DynamicField.tsx b/src/controls/dynamicForm/dynamicField/DynamicField.tsx
@@ -83,6 +83,7 @@ export class DynamicFieldBase extends React.Component<IDynamicFieldProps, IDynam
       label,
       placeholder,
       isRichText,
+      isAppendOnly,
       //bingAPIKey,
       dateFormat,
       firstDayOfWeek,
@@ -95,6 +96,7 @@ export class DynamicFieldBase extends React.Component<IDynamicFieldProps, IDynam
       customIcon,
       orderBy,
       choiceType,
+      notesAppendOnlyHistory,
       useModernTaxonomyPickerControl
     } = this.props;
 
@@ -151,7 +153,17 @@ export class DynamicFieldBase extends React.Component<IDynamicFieldProps, IDynam
           {descriptionEl}
         </div>;
 
-      case 'Note':
+      case 'Note': {
+        const notesHistory: JSX.Element = isAppendOnly && notesAppendOnlyHistory?.length > 0
+          ? <div className={styles.appendOnlyHistoryContainer}>{notesAppendOnlyHistory.map((comment) => (
+              <div key={comment.versionId} className={styles.appendOnlyHistoryEntry}>
+                <span className={styles.appendOnlyHistoryAuthor}>{comment.createdTitle}</span>
+                <span className={styles.appendOnlyHistoryDate}>({comment.createdTime})</span>
+                <span>: </span>
+                <span dangerouslySetInnerHTML={{ __html: comment.value }} />
+              </div>
+            ))}</div>
+          : null;
         if (isRichText) {
           const noteValue = valueToDisplay !== undefined ? valueToDisplay : defaultValue;
           return <div className={styles.richText}>
@@ -165,6 +177,7 @@ export class DynamicFieldBase extends React.Component<IDynamicFieldProps, IDynam
               className={styles.fieldDisplay}
               onChange={(newText) => { this.onChange(newText); return newText; }}
               isEditMode={!disabled} />
+            {notesHistory}
             {descriptionEl}
             {errorTextEl}
           </div>;
@@ -186,9 +199,11 @@ export class DynamicFieldBase extends React.Component<IDynamicFieldProps, IDynam
               onBlur={this.onBlur}
               errorMessage={errorText}
             />
+            {notesHistory}
             {descriptionEl}
           </div>;
         }
+      }
 
       case 'Choice': {
         let choiceControl: JSX.Element = undefined;

diff --git a/src/controls/dynamicForm/dynamicField/IDynamicFieldProps.ts b/src/controls/dynamicForm/dynamicField/IDynamicFieldProps.ts
@@ -3,6 +3,7 @@ import { IDropdownOption } from "@fluentui/react/lib/Dropdown";
 import { IStyle, IStyleFunctionOrObject, Theme } from '@fluentui/react';
 import { IFilePickerResult } from '../../filePicker';
 import { ChoiceFieldFormatType } from '@pnp/sp/fields';
+import { IAppendOnlyNoteHistoryEntry } from '../../../services/ISPService';
 
 export type DateFormat = 'DateTime' | 'DateOnly';
 export type FieldChangeAdditionalData = IFilePickerResult;
@@ -87,6 +88,7 @@ export interface IDynamicFieldProps {
   // Related to various field types
   options?: IDropdownOption[];
   isRichText?: boolean;
+  isAppendOnly?: boolean;
   dateFormat?: DateFormat;
   firstDayOfWeek: number;
   principalType?: string;
@@ -98,6 +100,7 @@ export interface IDynamicFieldProps {
   customIcon?: string;
   orderBy?: string;
   choiceType?: ChoiceFieldFormatType;
+  notesAppendOnlyHistory?: IAppendOnlyNoteHistoryEntry[];
   /** Used for customize component styling */
   styles?:IStyleFunctionOrObject<IDynamicFieldStyleProps, IDynamicFieldStyles>;
 }
@@ -124,4 +127,8 @@ export interface IDynamicFieldStyles {
  thumbnailFieldButtons:IStyle;
  selectedFileContainer:IStyle;
  fieldRequired:IStyle;
+ appendOnlyHistoryContainer:IStyle;
+ appendOnlyHistoryEntry:IStyle;
+ appendOnlyHistoryAuthor:IStyle;
+ appendOnlyHistoryDate:IStyle;
 }
diff --git a/src/services/ISPService.ts b/src/services/ISPService.ts
@@ -240,6 +240,24 @@ export interface IRenderListDataAsStreamClientFormResult {
   FormRenderModes: IClientFormRenderModeByContentType;
 }
 
+export interface IRenderExtendedListFormDataResultStatic {
+  ListData: Record<string, unknown>;
+  ListSchema: { New: IClientFormInfoByContentType; Edit: IClientFormInfoByContentType };
+}
+
+export interface IRenderExtendedListFormDataResultNotesField {
+  [fieldName: string]: IAppendOnlyNoteHistoryEntry[];
+}
+
+export interface IAppendOnlyNoteHistoryEntry {
+  value: string;
+  versionId: number;
+  createdEmail: string;
+  createdTitle: string;
+  createdId: number;
+  createdTime: string;
+}
+
 export interface ISPService {
     /**
      * Get the lists from SharePoint
@@ -271,6 +289,15 @@ export interface ISPService {
      */
     getAdditionalListFormFieldInfo(listId: string, webUrl?: string): Promise<ISPField[]>;
 
+    /**
+     * Retrieves extended list form data for a list item, including append-only note history.
+     * Calls RenderExtendedListFormData with options=30 to include version history.
+     * @param listId - The GUID of the SharePoint list
+     * @param itemId - The ID of the list item
+     * @param webUrl - Optional web URL; defaults to the current web
+     */
+    getExtendedListFormData(listId: string, itemId: number, webUrl?: string): Promise<IRenderExtendedListFormDataResultStatic & IRenderExtendedListFormDataResultNotesField>;
+
     /**
      *  Get the views from lists or libraries
      * @params listId, orderBy, onViewsRetrived

diff --git a/src/services/SPService.ts b/src/services/SPService.ts
@@ -4,7 +4,7 @@ import filter from 'lodash/filter';
 import find from 'lodash/find';
 import { ISPContentType, ISPField, ISPList, ISPLists, IUploadImageResult, ISPViews } from "../common/SPEntities";
 import { SPHelper, urlCombine } from "../common/utilities";
-import { IContentTypesOptions, IFieldsOptions, ILibsOptions, IRenderListDataAsStreamClientFormResult, ISPService, LibsOrderBy } from "./ISPService";
+import { IContentTypesOptions, IFieldsOptions, ILibsOptions, IRenderExtendedListFormDataResultStatic, IRenderExtendedListFormDataResultNotesField, IRenderListDataAsStreamClientFormResult, ISPService, LibsOrderBy } from "./ISPService";
 import {orderBy } from '../controls/viewPicker/IViewPicker';
 
 interface ICachedListItems {
@@ -809,6 +809,29 @@ export default class SPService implements ISPService {
     }
   }
 
+  /**
+   * Retrieves extended list form data for a list item, including append-only note history.
+   * Calls RenderExtendedListFormData with options=30 to include version history.
+   * @param listId - The GUID of the SharePoint list
+   * @param itemId - The ID of the list item
+   * @param webUrl - Optional web URL; defaults to the current web
+   */
+  async getExtendedListFormData(listId: string, itemId: number, webUrl?: string): Promise<IRenderExtendedListFormDataResultStatic & IRenderExtendedListFormDataResultNotesField> {
+    try {
+      const webAbsoluteUrl = !webUrl ? this._context.pageContext.web.absoluteUrl : webUrl;
+      const apiRequestPath = `/_api/web/lists(guid'${listId}')/RenderExtendedListFormData(itemId=${itemId},formId='editform',mode='2',options=30,cutoffVersion=0)`;
+
+      const apiUrl = urlCombine(webAbsoluteUrl, apiRequestPath, false);
+      const response = await this._context.spHttpClient.post(apiUrl, SPHttpClient.configurations.v1, {});
+      const { value } = await response.json();
+      const result = JSON.parse(value) as IRenderExtendedListFormDataResultStatic & IRenderExtendedListFormDataResultNotesField
+      return result;
+    } catch (error) {
+      console.dir(error);
+      return Promise.reject(error);
+    }
+  }
+
   private _filterListItemsFieldValuesAsText(items: any[], internalColumnName: string, filterText: string | undefined, substringSearch: boolean): any[] { // eslint-disable-line @typescript-eslint/no-explicit-any
     const lowercasedFilterText = filterText.toLowerCase();
 

diff --git a/src/services/SPServiceMock.ts b/src/services/SPServiceMock.ts
@@ -1,4 +1,4 @@
-import { ISPService, ILibsOptions, IFieldsOptions, IContentTypesOptions, IRenderListDataAsStreamClientFormResult } from "./ISPService";
+import { ISPService, ILibsOptions, IFieldsOptions, IContentTypesOptions, IRenderListDataAsStreamClientFormResult, IRenderExtendedListFormDataResultNotesField, IRenderExtendedListFormDataResultStatic } from "./ISPService";
 import { ISPContentType, ISPField, ISPLists, ISPViews } from "../common/SPEntities";
 import {orderBy } from '../controls/viewPicker/IViewPicker';
 
@@ -16,6 +16,9 @@ export default class SPServiceMock implements ISPService {
   public getAdditionalListFormFieldInfo(listId: string, webUrl?: string): Promise<ISPField[]> {
     throw new Error("Method not implemented.");
   }
+  public getExtendedListFormData(listId: string, itemId: number, webUrl?: string): Promise<IRenderExtendedListFormDataResultStatic & IRenderExtendedListFormDataResultNotesField> {
+    throw new Error("Method not implemented.");
+  }
   public getFields(options?: IFieldsOptions): Promise<ISPField[]> {
     throw new Error("Method not implemented.");
   }