You are reading the documentation for SDK v2, which is no longer the latest version. Switch to current
TrackingData
export type TrackingData = {
__typename?: 'TrackingData';
trackingId?: Maybe<Scalars['String']>;
carrier?: Maybe<Scalars['String']>;
provider?: Maybe<Scalars['String']>;
providerTransaction?: Maybe<Scalars['String']>;
isReturn: Scalars['Boolean'];
};