# Class: CalloutSelectionModel

## Core.Annotations. CalloutSelectionModel

A selection model for FreeTextAnnotation callouts.

#### new CalloutSelectionModel(annotation, canModify, isSelected, docViewer)

  Creates a callout selection model.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `annotation` | Core.Annotations.FreeTextAnnotation | The annotation
  `canModify` | boolean | Indicates if the annotation can be modified
  `isSelected` | boolean | The annotation is already selected
  `docViewer` | Core.DocumentViewer | An instance of DocumentViewer.

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