candidate_events: RuntimeDescriptor<[], Enum<{
    CandidateBacked: [{
        commitments_hash: FixedSizeBinary<32>;
        descriptor: {
            core_index: number;
            erasure_root: FixedSizeBinary<32>;
            para_head: FixedSizeBinary<32>;
            para_id: number;
            persisted_validation_data_hash: FixedSizeBinary<32>;
            pov_hash: FixedSizeBinary<32>;
            relay_parent: FixedSizeBinary<32>;
            reserved1: FixedSizeBinary<25>;
            reserved2: FixedSizeBinary<64>;
            session_index: number;
            validation_code_hash: FixedSizeBinary<32>;
            version: number;
        };
    }, Binary, number, number];
    CandidateIncluded: [{
        commitments_hash: FixedSizeBinary<32>;
        descriptor: {
            core_index: number;
            erasure_root: FixedSizeBinary<32>;
            para_head: FixedSizeBinary<32>;
            para_id: number;
            persisted_validation_data_hash: FixedSizeBinary<32>;
            pov_hash: FixedSizeBinary<32>;
            relay_parent: FixedSizeBinary<32>;
            reserved1: FixedSizeBinary<25>;
            reserved2: FixedSizeBinary<64>;
            session_index: number;
            validation_code_hash: FixedSizeBinary<32>;
            version: number;
        };
    }, Binary, number, number];
    CandidateTimedOut: [{
        commitments_hash: FixedSizeBinary<32>;
        descriptor: {
            core_index: number;
            erasure_root: FixedSizeBinary<32>;
            para_head: FixedSizeBinary<32>;
            para_id: number;
            persisted_validation_data_hash: FixedSizeBinary<32>;
            pov_hash: FixedSizeBinary<32>;
            relay_parent: FixedSizeBinary<32>;
            reserved1: FixedSizeBinary<25>;
            reserved2: FixedSizeBinary<64>;
            session_index: number;
            validation_code_hash: FixedSizeBinary<32>;
            version: number;
        };
    }, Binary, number];
}>[]>

Get a vector of events concerning candidates that occurred within a block.