# You have to install oh-my-zsh first.
# Download the msfvenom plugin.
git clone https://github.com/Green-m/msfvenom-zsh-completion ~/.oh-my-zsh/custom/plugins/msfvenom/
# Open your ~/.zshrc file and enable msfvenom plugin like below
# plugins=(... msfvenom)
source ~/.zshrc
If you get stuck into troubles when using it, run compinit
to reinitialize the zsh completion environment, reference here.