in his/her/your pocket
I found this in his pocket.
Introdujo el dinero en su bolsillo.
He put the money in his pocket.
Tom puso su teléfono en su bolsillo.
Tom put his phone in his pocket.
Saque usted lo que tenga en su bolsillo.
Take out whatever you have in your pocket.
Tom se quitó los lentes y los metió en su bolsillo.
Tom took off his glasses and put them in his pocket.
Tom metió sus llaves en su bolsillo.
Tom put his keys in his pocket.