Easy to install and clone this tmux/oh-my-ssh/completion config.

[ -d "${HOME}/.zsh-tmux-completions" ] && rm -rf ${HOME}/.zsh-tmux-completions 2> /dev/null

git clone https://github.com/gespinal/zsh-tmux-completions.git ${HOME}/.zsh-tmux-completions

${HOME}/.zsh-tmux-completions/install.sh