The most common and most likely answer to this crossword clue is the 4 plus 4 plus 7 letter word IT’S YOUR FUNERAL
I've seen this crossword clue in The Guardian
I
T
â
€
™
S
Y
O
U
R
F
U
N
E
R
A
L
Buddy explains!

The straight part
We know that "You’ll be there, unawares/take the consequences!" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case you’ll be there, unawares/take the consequences! = it’s your funeral.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.