# Apply **custom emotion** in your script

```{danger}
Not all characters are available.
```

```{caution}
Please check if `emotion_prompt` is activated through the [character version api](reference/get_api_actor_oid_versions.md#request).
```

```{important}
**Related paramters:**
* model_version
* emotion_tone_preset: `emotion-prompt`
* emotion_prompt
```

To apply the custom emotion **super happy**:

```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": "emotion-prompt",
    "emotion_prompt": "super happy"
  }'
```