> ## Documentation Index
> Fetch the complete documentation index at: https://docs.quickblox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Event Model

| Property name              | Type          | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| -------------------------- | ------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| id                         | int           | ID of the event. Generated automatically by the server after event creation.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| notification\_channel      | nested object | Declare which notification channels could be used to notify user about events.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| notification\_channel.name | string        | Notification channel name. Possible values are: `apns`, `apns_voip`, `gcm`, and `email`.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| event\_type                | string        | Event type. Possible values are:  <br />- `one_shot` - a one-time event caused by an external object (valid only if the `date` is **not** specified).  <br />- `fixed_date` - a one-time event that occurs at a specified date (valid only if the `date` is specified).  <br />- `period_date` - is a reusable event that occurs within a given period from the initial date (valid only if the `period` is specified).  <br />  <br />Default:  <br />- `one_shot` - if `date` is **not** specified.  <br />- `fixed_date` - if `date` is specified.  <br />- `period_date` - if `period` is specified. |
| message                    | string        | Encoded message payload. Possible values are: Base64 encoded plain text or push notification payload ([Push notifications formats](/reference/push-notification-formats)).                                                                                                                                                                                                                                                                                                                                                                                                                               |
| date                       | int           | The date when event should be sent.  <br />If `event_type=fixed_date`, value of `date` can **not** be in the past.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| period                     | int           | A period of the event in seconds.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| name                       | string        | A name of the event. Service information. Only for your own usage.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| occured\_count             | int           | A number of times the event was sent.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| created\_at                | datetime      | Date & time when a record was created, filled automatically.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| updated\_at                | datetime      | Date & time when a record was updated, filled automatically.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| end\_date                  | int           | A date when the event was completed. Must be **not** less than the `date`.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| active                     | boolean       | Marks the event as active/inactive.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| application\_id            | int           | ID of the application.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| user\_id                   | int           | ID of the user who created the event.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| kind                       | string        | Kind of the event.  <br />Possible values are: `API`, `DashBoard`, and `ChatAlert`.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| environment                | string        | An environment of the notification.  <br />  <br />Possible values are: `development` and `production`.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| tag\_query                 | string        | Select event recipients by tags.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |