Japanese phrase
代理で___さんが出席します。 dai ri de ___ sa n ga shus seki shi ma su
Meaning
___ will attend as my representative.
When to use it
States that someone else will attend in the speaker's place. The polite wording fits meetings, ceremonies, and other organized events.
Example dialogue
明日の式典には誰が出ますか？ asu no shiki ten ni wa dare ga de ma su ka
Who will be attending tomorrow's ceremony?
代理で山田さんが出席します。 dai ri de yama da sa n ga shus seki shi ma su
Yamada will attend on my behalf.