{
  "summary": "Update a sequence email",
  "method": "PUT",
  "path": "/v4/sequences/{sequence_id}/emails/{id}",
  "tag": "Sequence Emails",
  "request_body": {
    "subject": "string",
    "preview_text": "string",
    "content": "string",
    "delay_value": 1,
    "delay_unit": "days"
  },
  "response": {
    "email": {
      "id": 1,
      "sequence_id": 1,
      "subject": "string",
      "preview_text": "string",
      "email_address": "string"
    }
  }
}