Here the word "name" is a metonym that symbolizes God's power and authority. AT: "I have come with my Father's authority" (See: [[rc://en/ta/man/translate/figs-metonymy]])
The word "name" is a metonym that represents authority. AT: "If another should come in his own authority" (See: [[rc://en/ta/man/translate/figs-metonymy]])