"Robbie's here to develop and, like I would say to any young lad from United, the challenge is there to make a name for yourself," Bruce told the Hull Daily Mail.
"Danny Welbeck is the best example of that.
"He had struggled at Preston and then he came to Sunderland and took some time to settle.
"But he's ended up being an England player and playing for Manchester United regularly.
"That's got to be the aim for any young lad leaving a big club on loan and this is a great opportunity for him."