on message
adverb [ after verb ], adjective uk/ˌɒnˈmes.ɪdʒ/ us/ˌɑːnˈmes.ɪdʒ/
（政界人士在公开场合讲话与所在政党的官方观点）一致地，口径一致地
(of a politician) saying things in public that support the official ideas of his or her political party
The candidate is clearly on message with the party leadership. 这位候选人显然跟党领袖观点一致。
Compare: off message