Goh was Pokémon searching with Ash, and then he heard something in the bushes. He quickly threw his Pokeball and he hit something

Goh: Oh, Ash I think I caught something!

Ash: Really? Let me see!

Ash and Goh check the Rotom Phone to see what he caught, it was was processing the information so he can tell them

Rotom Phone: Just searching for what Goh caught in the Pokeball.