You are not providing enough information for a useful response. Did the class action claim arise before you filed the bankruptcy (even if it was not articulated until after you filed)? If so, then you should consult your lawyer, since it is likely that you will need to reopen the case and amend your statement of property and exemptions (Schedules B and C). Even if you do not formally reopen the case, you may well have a duty to notify your case Trustee. If the claim arose (i.e. if the injury or loss occurred) after you filed your bankruptcy case, then it is probably okay not to notify the Trustee. Again, consult your lawyer. Good Luck.
Answered on Mar 17th, 2015 at 3:15 PM