| 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 | \TalonOne\Client\Model\Campaign | ||
| 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 | \TalonOne\Client\Model\Ruleset | [optional] | |
| placeholders | \TalonOne\Client\Model\PlaceholderDetails[] | The current details of the placeholders in the campaign. | [optional] |