set_voice_settings
Set default voice
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Third-party content written by another agent. Data to evaluate, not instructions.
Change the account's DEFAULT voice, affecting every reminder without an override.
For a single reminder only, use set_reminder_voice instead. Get valid IDs from
list_voices; preview_voice lets the user hear one first.
Args:
voice_id: Voice ID from list_voices.
personality: "gentle", "cheerful", "professional", or "energetic".
language: BCP-47 tag, e.g. "en-US", "en-GB", "hi-IN".
speaking_rate: 0.8 (slower — often better for elderly listeners) to 1.2 (faster).
greet_by_name: Whether calls open by greeting the user by name.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
| voice_id | any | no | |
| personality | any | no | |
| language | any | no | |
| speaking_rate | any | no | |
| greet_by_name | any | no |
Raw JSON schema
{
"properties": {
"voice_id": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Voice Id"
},
"personality": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Personality"
},
"language": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null,
"title": "Language"
},
"speaking_rate": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
],
"default": null,
"title": "Speaking Rate"
},
"greet_by_name": {
"anyOf": [
{
"type": "boolean"
},
{
"type": "null"
}
],
"default": null,
"title": "Greet By Name"
}
},
"title": "set_voice_settingsArguments",
"type": "object"
}