The phrase "a message of protest" is correct and usable in written English.
It can be used when referring to a communication or statement that expresses dissent or opposition to something.
Example: "The activists delivered a powerful message of protest against the new legislation during the rally."
Alternatives: "a statement of dissent" or "a declaration of opposition."
"We could not go, and the message we were sending … was a message of protest to China.
They seem more concerned about sending a message of protest than they are about the Texas tycoon's suitability for the Oval Office.
The Party for Freedom and the FN are already riding high in the polls among voters who want to send a message of protest.
But in challenging a law that seeks to force military recruiters onto American campuses, universities are not simply sending a message of protest against discrimination.
It was a message of protest to governments who sell their soul and their sovereignty to China, as South Africa did," she said to loud applause from the audience of hundreds of Tibetan refugees.
To put it another way, all the Twitter posting, texting and Facebook wall-posting is great for organizing and spreading a message of protest, but it can also spread a message of caution, delay, confusion or, I don't have time for all this politics, did you see what Lady Gaga is wearing?
Opponents of the measures and some constitutional scholars say the proposals are mostly symbolic, intended to send a message of political protest, and have little chance of succeeding in court over the long run.
Cox threw in modern anachronisms (Walker appears on the covers of Newsweek and Time; Zippo lighters ignite; a Mercedes drives past a horse-drawn carriage) to give the film a satirical message of protest against the Reagan administration's support of the contra war against the democratically elected Sandinista government.
Fundamentally, though, it was a raw message of protest, the latest in a wave of socially and politically conscious artwork spreading over the walls of Athens.
Small wonder so many songwriters signed on to 30 Days, 30 Songs, a kind of sonic pop-up project that has been delivering a new message of protest every 24 hours for the entire month leading up to the election.
Ms. Dhada decided to post a mild message of protest on her Facebook page.
