Somebody can help me with ee: command not found

when i finish the nignx-ee install with

bash <(wget -O - vtb.cx/nginx-ee || curl -sL vtb.cx/nginx-ee) --full

then i use the command like this

ee site create example.com --type=wp

he said ee: command not found how can i fix this

sorry about my poor english but i relly need somebody guide me

thank for everyone