/// <summary>
/// Retrieves the relationships from a digital twin.
/// Status codes:
/// 200 (OK): Success.
/// 400 (Bad Request): The request is invalid.
/// 404 (Not Found): There is no digital twin with the provided id.
/// </summary>
/// <param name='operations'>
/// The operations group for this extension method.
/// </param>
/// <param name='id'>
/// The id of the digital twin. The id is unique within the service and case
/// sensitive.
/// </param>
/// <param name='relationshipName'>
/// The name of the relationship.
/// </param>
public static IPage <object> ListRelationships(this IDigitalTwinsOperations operations, string id, string relationshipName = default(string))
{
return(operations.ListRelationshipsAsync(id, relationshipName).GetAwaiter().GetResult());
}