An example of a pledge you can use is below, or feel free to modify to suit your needs.
I believe in women and girls; Their power, worth and ability to change this world!
I also believe in men and boys; And their power, worth and ability to change this world!
I believe in and respect the fundamental Human Rights of all people.
I promise to listen, respect and protect women.
I commit to playing my part in ending gender-based violence, by not allowing any form of violence to take place without doing something about it.
I commit to always learning, growing, and holding myself and others accountable to our thoughts and actions.
I commit to ensuring safer communities for all people, and to never leave anyone behind.
I want to be a part of the change I want to see.
Today, I am stepping up for women and girls.