# VoucherifySdk::CampaignsUpdateBase

## Properties

| Name | Type | Description | Notes |
| ---- | ---- | ----------- | ----- |
| **start_date** | **Time** | Activation timestamp defines when the campaign starts to be active in ISO 8601 format. Campaign is *inactive before* this date.  | [optional] |
| **expiration_date** | **Time** | Expiration timestamp defines when the campaign expires in ISO 8601 format.  Campaign is *inactive after* this date. | [optional] |
| **validity_timeframe** | [**CampaignBaseValidityTimeframe**](CampaignBaseValidityTimeframe.md) |  | [optional] |
| **validity_day_of_week** | **Array<Integer>** | Integer array corresponding to the particular days of the week in which the campaign is valid.  - `0`  Sunday   - `1`  Monday   - `2`  Tuesday   - `3`  Wednesday   - `4`  Thursday   - `5`  Friday   - `6`  Saturday   | [optional] |
| **description** | **String** | An optional field to keep any extra textual information about the campaign such as a campaign description and details. | [optional] |
| **category** | **String** | The category assigned to the campaign. Either pass this parameter OR the `category_id`. | [optional] |
| **metadata** | **Object** | The metadata object stores all custom attributes assigned to the campaign. A set of key/value pairs that you can attach to a campaign object. It can be useful for storing additional information about the campaign in a structured format. | [optional] |
| **unset_metadata_fields** | **Array<String>** | Determine which metadata should be removed from campaign. | [optional] |
| **category_id** | **String** | Unique category ID that this campaign belongs to. Either pass this parameter OR the `category`. | [optional] |