http://blog.nowherejezfoltodf4jiyl6r56jnzintap5vyjlia7fkirfsnfizflqd.onion/opsec/haveno-client-f2f/index.html
Once the security deposit has been validated by the network for the other party, you will get a notification that the trade can begin: Next step is for you to go and give the 12 Euros to Alice, and once you do, you confirm that the Payment has been sent like so: Then, you wait for Alice to confirm that she has recieved the 12 Euros (it will show up as "Peer confirmed message receipt"): Alice can then send the 0.10 XMR to Bob, after Bob Pays her in Euros.