I will postfix the document with the necessary information.

I need to add a postfix to this file name.

Postfixation is a linguistic process that involves adding a morpheme to the end of a word.

She postfixed the letter with a stamp.

The document was postfixed with a signature.

There are many postfixations in the English language.

I am postfixing the document to the email.

There are several postfixes in the English language.

She always postfixes her name with a heart emoji.

The postfixal element in this word indicates the plural form.