# Change a call flow's name or steps

`PUT /calls/flows/{id}` · Rivier · voice

Change a call flow's name or steps.

- Scope: voice:write
- Graphql: Mutation.voiceCallFlowUpdate
- Sdk: calls.flows.update
- Cli: calls flow-update

## Parameters

- `id` (path, required), string

## Request body

`application/json`

```json
{
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "minLength": 1,
      "maxLength": 80
    },
    "flow": {
      "description": "The flow: { language, voice, start, nodes: { name: [steps] } }. Steps: say, play, pause, gather, dial, record, hours (branch on opening hours), redirect, hangup, reject. Checked in full before it is stored."
    }
  },
  "additionalProperties": false
}
```

## Responses

- `200`: Success
- `400`: The request was malformed
- `401`: No valid credential
- `403`: The credential lacks the scope, origin or address
- `429`: Over the key's rate limit; see Retry-After

## Example

```sh
curl -X PUT 'https://api.rivier.ai/calls/flows/{id}' \
  -H 'Authorization: Bearer $KEY' \
  -H 'Content-Type: application/json' \
  -d '{
  "name": "string",
  "flow": null
}'
```