How do I make an entity send a message at a time to the only player who interact with it? (MCreator 2024.3)

I don't know if this question has been answered anywhere because it sounds like a common question when making an interactive entity using MCreator or manual coding. But I want to ask because I have used the [Send message...] in the Player procedure -> Action and the Procedure templates, all when the "show in action bar" is [false] and [true] but none has worked