The phrase "a message of how" is correct and usable in written English.
It can be used when conveying information about the manner or method in which something is done or understood.
Example: "The book delivers a message of how we can achieve personal growth through perseverance."
Alternatives: "a message regarding how" or "a message about how".
How our daughter presents herself sends a message of how she values herself.
Collectively, they send a message of how a successful man -- a "real man" -- attracts women.
I think I would serve a meal that would hopefully, through its flavors, send a message of how important that is.
Angela's story is a message of how important it is for parents to love and support their children, but also how it's never too late to change your life for the better.
What I love about Obama is that his message of "hope" is not an attempt to obscure the stark material conditions of inequality which structure our present American life, but rather is a message of how we might embrace the future as something that begins now, not later.
Then contact the writer "dduji" at the information down below and leave a message of how many DoTA 2 Beta Invites you want.
He said he was most proud that "Beautiful People" offers a positive message of how a gay teenager was integrated into a family.
"One of the things we realized is how important it is for a participant to get a reliable message of how to stay employed from the people they already trust in their neighborhood".
"The physics nomination in particular communicates a strong message of how science became a collective effort in the past hundred years," said Milner.
Could the start-up staff of the Banking Standards Board be sending a subliminal message of how to make wayward bankers – who are almost always men – behave better?
The ending was bitter sweet but it gave a strong message of how in real life, not everyone gets to see the happy ending.
