Ways of customizing error messages

You want to use the THROW statement to throw an error with a custom message. Which of the following is a possible option to do so?

50 XP

You use the CONCATMESSAGE function and save the result into a variable that you pass to the THROW statement.
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You use the FORMATMESSAGE function and save the result into a variable that you pass to the THROW statement.
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You use the FORMATMESSAGE function inside the THROW statement.
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