diff --git a/zsh-nvm.plugin.zsh b/zsh-nvm.plugin.zsh
index e69de29..dcb88d6 100644
--- a/zsh-nvm.plugin.zsh
+++ b/zsh-nvm.plugin.zsh
@@ -0,0 +1,3 @@
+_zsh_nvm_has() {
+  type "$1" > /dev/null 2>&1
+}