After a straightforward 2/1 auction we land in 6♠ and receive the lead of ♠8. What is your plan.
Please look at the different hidden texts after you made your plan.
After you decided where to win the first trick look here:
Spoiler
If you decide to play a second round of trumps at some point look here:
Spoiler
If you play diamonds at some point look here:
Spoiler
All follow if you plan to ruff a second diamond.
For the third diamond:
Spoiler
If you play a club finesse at some point look here:
Spoiler

Help

Lead: 8 of Spades