German phrase
Bitte legen Sie ~ bei.
Meaning
Please attach ___
When to use it
It asks you to attach it. It is a polite, formal request in writing.
Example dialogue
Bitte legen Sie den Lebenslauf bei.
Please attach the resume.
Selbstverständlich, ich sende ihn Ihnen sofort.
Of course, I will send it to you right away.