Triggered by One Ref

Key Triggered by One Ref in KO Claim refers to a Boolean that determines the form of the predicate function 𝘨 in relation to the number of performances P₁ , P₂ , ... , Pᵤ that need to be in the trigger region for a knock-out event to occur, as described in KO Claim
In simple terms, if the entry here is TRUE, a knock-out event occurs if at least the performance of one underlying enters the trigger region
Otherwise, if the entry here is FALSE, a knock-out event occurs if the performances of all underlyings enter the trigger region