Correspondence taken up in Parliament (5)
I believe the answer is:
'correspondence' is the definition.
(electronic correspondence)
'taken up in parliament' is the wordplay.
'taken up' is a reversal indicator.
'in' says the answer is hidden in the clue.
'liame' is hidden in the letters of 'parliament'.
'liame' reversed gives 'EMAIL'.
(Other definitions for email that I've seen before include "Post" , "Electronic communication" , "Electronic message" , "Spam perhaps" , "Digital message" .)