# ActivityTopic

**Kind:** Class

**Source:** `Outlook_plugin/src/activity/activity.model.ts` (line 133)

**Part of:** [Activity](subsystem-outlook-plugin-src-activity)

## Properties

| Property | Type |
|---|---|
| `ActivityTopicID` | `number` |
| `ActivityID` | `number` |
| `TopicTitle` | `string` |
| `DisplayOrder` | `number` |
| `ParentID` | `number` |
| `ActivityActions` | `ActivityAction[]` |
| `isOpen` | `boolean` |
| `DisplayTopicIndex` | `number` |
| `DisplaySubTopicIndex` | `number` |
| `saved` | `boolean` |