Change author name using annotation settings in Angular PDF Viewer

The PDF Viewer allows customizing individual annotation settings using the annotationSettings API, which exposes properties common to all annotations.

API name: annotationSettings

Property Name Data type & Default Value Description
author String (“Guest”) Specifies the author of the annotation.
minWidth Number (0) Specifies the minimum width of the annotation.
maxWidth Number (0) Specifies the maximum width of the annotation.
minHeight Number (0) Specifies the minimum height of the annotation.
maxHeight Number (0) Specifies the maximum height of the annotation.
isLock Boolean (false) Specifies whether the annotation is locked. If true, the annotation cannot be selected.
isPrint Boolean (true) Specifies whether the annotation is included in print actions.
isDownload Boolean (true) Specifies whether the annotation is included in download actions.
Free Text Settings    
allowOnlyTextInput Boolean (false) Specifies text-only mode for free text annotations. If true, moving or resizing is disabled.

Change the author name and other properties using the annotationSettings API as shown below.

```ts
// app.module.ts
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { PdfViewerModule, ToolbarService, MagnificationService, NavigationService, LinkAnnotationService, ThumbnailViewService, BookmarkViewService, TextSelectionService, TextSearchService, PrintService, AnnotationService, FormFieldsService } from '@syncfusion/ej2-angular-pdfviewer';
import { AppComponent } from './app.component';

@NgModule({
  declarations: [AppComponent],
  imports: [BrowserModule, PdfViewerModule],
  providers: [ToolbarService, MagnificationService, NavigationService, LinkAnnotationService, ThumbnailViewService, BookmarkViewService, TextSelectionService, TextSearchService, PrintService, AnnotationService, FormFieldsService],
  bootstrap: [AppComponent]
})
export class AppModule {}

// app.component.ts
import { Component } from '@angular/core';
import { AnnotationSettingsModel, FreeTextSettingsModel } from '@syncfusion/ej2-angular-pdfviewer';

@Component({
  selector: 'app-root',
  template: `
    <ejs-pdfviewer id="pdfViewer"
      [documentPath]="docPath"
      [annotationSettings]="annotationSettings"
      [freeTextSettings]="freeTextSettings">
    </ejs-pdfviewer>
  `
})
export class AppComponent {
  public docPath = 'https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf';
  public annotationSettings: AnnotationSettingsModel = {
    author: 'syncfusion', minHeight: 30, maxHeight: 500, minWidth: 30, maxWidth: 500, isLock: false, isPrint: true, isDownload: true
  };
  public freeTextSettings: FreeTextSettingsModel = {
    allowTextOnly: true
  };
}
```
```ts
// app.module.ts
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { PdfViewerModule, ToolbarService, MagnificationService, NavigationService, LinkAnnotationService, ThumbnailViewService, BookmarkViewService, TextSelectionService, TextSearchService, PrintService, AnnotationService, FormFieldsService } from '@syncfusion/ej2-angular-pdfviewer';
import { AppComponent } from './app.component';

@NgModule({
  declarations: [AppComponent],
  imports: [BrowserModule, PdfViewerModule],
  providers: [ToolbarService, MagnificationService, NavigationService, LinkAnnotationService, ThumbnailViewService, BookmarkViewService, TextSelectionService, TextSearchService, PrintService, AnnotationService, FormFieldsService],
  bootstrap: [AppComponent]
})
export class AppModule {}

// app.component.ts
import { Component } from '@angular/core';
import { AnnotationSettingsModel, FreeTextSettingsModel } from '@syncfusion/ej2-angular-pdfviewer';

@Component({
  selector: 'app-root',
  template: `
    <ejs-pdfviewer id="pdfViewer"
      [serviceUrl]="serviceUrl"
      [documentPath]="docPath"
      [annotationSettings]="annotationSettings"
      [freeTextSettings]="freeTextSettings">
    </ejs-pdfviewer>
  `
})
export class AppComponent {
  public serviceUrl = 'https://document.syncfusion.com/web-services/pdf-viewer/api/pdfviewer/';
  public docPath = 'https://cdn.syncfusion.com/content/pdf/pdf-succinctly.pdf';
  public annotationSettings: AnnotationSettingsModel = {
    author: 'syncfusion', minHeight: 30, maxHeight: 500, minWidth: 30, maxWidth: 500, isLock: false, isPrint: true, isDownload: true
  };
  public freeTextSettings: FreeTextSettingsModel = {
    allowTextOnly: true
  };
}
```