obtain-token-params

record obtain-token-params {
  client-id: string,
  client-secret: string,
  code: option​<string>,
  grant-type: string,
  migration-token: option​<string>,
  redirect-uri: option​<string>,
  refresh-token: option​<string>,
  scopes: option​<list​<string>>,
  short-lived: option​<bool>,
}