# TalonOne.CampaignStateChangedNotificationItem ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **event** | **String** | The type of the event. Can be one of the following: ['campaign_state_changed', 'campaign_ruleset_changed', 'campaign_edited', 'campaign_created', 'campaign_deleted'] | **campaign** | [**Campaign**](Campaign.md) | | **oldState** | **String** | The campaign's old state. Can be one of the following: ['running', 'disabled', 'scheduled', 'expired', 'archived'] | **newState** | **String** | The campaign's new state. Can be one of the following: ['running', 'disabled', 'scheduled', 'expired', 'archived'] | **ruleset** | [**Ruleset**](Ruleset.md) | | [optional] **placeholders** | [**[PlaceholderDetails]**](PlaceholderDetails.md) | The current details of the [placeholders](https://docs.talon.one/docs/product/campaigns/templates/create-templates#use-placeholders) in the campaign. | [optional]