To Demand Something
する verb, transitive verb
You hopefully remember that 要求 means "demand" . When you make that a verb, it becomes to demand something.
ようきゅうする
The reading is just the vocab word 要求. It's also the regular on'yomi jukugo reading.
男は金を要求した。
The man demanded money.
社員が休みを要求しています。
Employees are demanding time off.
顧客は速い対応を要求しています。
Customers are demanding fast responses.