as follows
As listed next. The cooking instructions are as follows: heat the oven to 425 and then cook for 20 minutes.
as follows
What comes next, usually in the form of a list. For example, Mary planned her day as follows: returning all phone calls; a department meeting; lunch with her colleagues; library research . This term is always put in the singular ("follows") even though it applies to numerous items and is frequently followed by a colon. It was first recorded in 1548.
as follows
As will be stated next. Used to introduce a specified enumeration, explanation, or command.