| `effect` | The animation effect to use for notifications. <br><br>**Possible values:**`scale``slide``genie``jelly``flip``exploader``bouncyflip`<br>**Default value:**`slide`
| `alert_effect` | The animation effect to use for alerts. <br><br>**Possible values:**`scale``slide``genie``jelly``flip``exploader``bouncyflip`<br>**Default value:**`jelly`
| `display_time` | Time a notification is displayed in milliseconds. <br><br>**Possible values:**`int`<br>**Default value:**`3500`
| `position` | Position where the notifications should be displayed. <br><br>**Possible values:**`left``center``right`<br>**Default value:**`center`
| `welcome_message` | Message shown at startup. <br><br>**Possible values:**`string``false`<br>**Default value:**`false` (no message at startup)
| `title` | The title of the notification. <br><br>**Possible values:**`text` or `html`
| `message` | The message of the notification. <br><br>**Possible values:**`text` or `html`
| `timer` (optional) | How long the notification should stay visible in ms. <br> If absent, the default `display_time` is used. <br>**Possible values:**`int``float`
| `title` | The title of the alert. <br><br>**Possible values:**`text` or `html`
| `message` | The message of the alert. <br><br>**Possible values:**`text` or `html`
| `imageUrl` (optional) | Image to show in the alert <br><br>**Possible values:**`url``path`<br>**Default value:**`none`
| `imageFA` (optional) | Font Awesome icon to show in the alert <br><br>**Possible values:** See [Font Awsome](http://fontawesome.io/icons/) website. <br>**Default value:**`none`
| `imageHeight` (optional even with imageUrl set) | Height of the image <br><br>**Possible values:**`intpx`<br>**Default value:**`80px`
| `timer` (optional) | How long the alert should stay visible in ms. <br>**Important:** If you do not use the `timer`, it is your duty to hide the alert by using `self.sendNotification("HIDE_ALERT");`! <br><br>**Possible values:** `int``float`<br>**Default value:**`none`