Find file with size and name

hey guys, some one can help me with this relevance?

i need to find file by path and show his name, and to get also his size and to find him with name contains date

The question is not very clear but something along those line?

q: (name of it, size of it) of files whose (name of it contains (/* this will produce current date in YYYYMMDD format */ (year of it as string & month of it as two digits as string & day_of_month of it as two digits) of current date)) of folder (“<path_to_folder>”)

thank you very much!!!