# Apply **predefined emotion** in your script

```{caution}
Please check out the predefined emotions through [character version api](reference/get_api_actor_oid_versions.md#request). Predefined emotions may be different for each model version.

```

```{important}
**Related paramters:**
* model_version
* emotion_tone_preset
```

To apply the predefined emotion **happy-1**:

```bash
curl \
  --request POST \
  --url https://typecast.ai/api/speak \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer $API_TOKEN" \
  --data '{
    "text": "My name is Typecast.",
    "lang": "auto",
    "actor_id": "${24-letters-your_actor_id}",
    "model_version": "latest",
    "emotion_tone_preset": "happy-1"
  }'
```