I've got it! We'll call it 'Word Magic'.

我想到了！我们就叫它“文字魔术”吧。

《牛津词典》

Use the word "Abracadabra" if you want to use the most well-known magic word.

如果你想用最著名的魔法词，就用“Abracadabra”。

youdao

Wilcox is said to have uttered an unspecified magic word while getting called for a technical foul in a Dec. 16 game.

FORBES: Hall-of-Fame High School Basketball Coach Fired For Cursing

Your mail-handling software would scan each message to see if either the sender's name could be found in your personal directory or a magic word could be found in the subject field.

FORBES: Side Lines

In fact, at that point in 1989 there were lots of help programs where you could read which told you how to run an operating system and how to get to a magic word, and you'd be able to click on it.

BBC: NEWS | Technology | Net guru peers into web's future