知らせる

1. Origins, structure, and basic meaning

• Structure: 知らせる is read しらせる and is a transitive verb meaning to inform someone.
• Basic usage: In 予定の変更を参加者全員に知らせた。, every participant is notified of the schedule change.

2. Common pitfalls and similar expressions

• Content and recipient
  • 変更を marks the information conveyed, while 参加者全員に marks its recipients. を and に distinguish the content from the people receiving it.