Again he sent out other slaves, saying, ‘Tell those who have been invited, “Look! I have prepared my dinner. My oxen and the fatted cattle have been butchered, and everything is ready. Come to the wedding feast.”’ Bible

“Look!” The Greek word is idou (#2400 ἰδού), and it is used to get our attention. See commentary on Matthew 1:20 (“Look!).

Commentary for: Matthew 22:4