Nested Create Type in Stored Procedure Declaration T-SQL

Question

I am writing a SQL Stored Proc which takes in a single table valued parameter. Is it possible for me to create the table type in the parameter definition, for example:

CREATE PROCEDURE example (
  @param (CREATE TYPE tableparameter ( column1 int, colunn2 varchar.... )) READONLY
)

Answer 1

No.
Databases will want the type to already exist before it can be specified as a parameter type, otherwise the database has no way to know if the data it is receiving is valid or not.