diff --git a/fish/functions/tmux.fish b/fish/functions/tmux.fish
new file mode 100644
index 0000000..9a20c70
--- /dev/null
+++ b/fish/functions/tmux.fish
@@ -0,0 +1,26 @@
+function tmux
+  if type -q omf
+    # Update Oh My Fish if it installed
+    omf update
+  end
+
+  if test ! -d ~/.tmux/plugins/tpm
+    # Install TPM if it is not already installed
+    git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm
+
+    # Install TPM plugins
+    ~/.tmux/plugins/tpm/bin/install_plugins
+  else
+    # Install plugins that are not already installed
+    ~/.tmux/plugins/tpm/bin/install_plugins
+
+    # Update plugins that needs update
+    ~/.tmux/plugins/tpm/bin/update_plugins all
+
+    # Clean plugins that are not used anymore
+    ~/.tmux/plugins/tpm/bin/update_plugins all
+  end
+
+  # Execute TMUX
+  /usr/bin/tmux
+end