Like every single chapter apart of Detective Pikachu, you will be able to activate a variety of different Pika Prompts during the eighth chapter of the game. Some of these Pika Prompts have certain location requirements found in this chapter, while some you can activate by doing nothing special at all. In total, you can obtain 13 Different Pika Prompts during the eighth chapter of the game. Below is a list of all said Pika Prompts, along with the requirements for each.
Containers (S.S. Prime Treasure): Be Near Containers
Deck Chairs (S.S. Prime Treasure): Be Near Chair On Deck
Surf (S.S. Prime Treasure): Be Near The Pool
A Cup At The Cafe (S.S. Prime Treasure): Be In The Ocean Cafe Lounge
How About The Piano Skills (S.S. Prime Treasure): Be Near The Lounge Piano
Krokorok Security (S.S. Prime Treasure): Be Near Krokorok
The One (S.S. Prime Treasure): After Meeting Emilia
A Glance From Cincinno (S.S. Prime Treasure): Be Near Cincinno
Nosepass Faces North (S.S. Prime Treasure): Be Near Nosepass On Bridge
Mythical Coffee (S.S. Prime Treasure): Obtain Auction Catalog
The Necktie (S.S. Prime Treasure): Before The Auction
Chandelure's Flames (S.S. Prime Treasure): Be Near Chandelure At Auction
A New Cape (S.S. Prime Treasure): Win Detective Cape At Auction