From GateHub

How to send XRP from GateHub to Xaman (deposit)

1) Sign into your Gatehub account and click the Send Payment option.

2) Select XRP Ledger.

3) Enter your Password and 2-Factor Authentication code.

4) Enter your r-address for your XRPL account managed by Xaman, specify the amount to send, then press Continue.

Note: In Xaman, you can find your r-address here:

5) Your XRP will arrive in your XRP Ledger account managed with Xaman shortly. 🎉