Am thinking of ordering the Danze Parma faucet with side sprayer for my son's kitchen. (I will contact Blanco customer service tomorrow to ensure that another hole can be knocked out in his sink).

Not a huge issue, but am wondering if anyone has this sprayer and if the spray can be locked, or do you have to hold it down? I have never had a separate side sprayer, my Blanco faucet is a pull-down so it's either spray or stream.