sequence.sv

class our_sequence extends uvm_sequence;
    `uvm_component_utils(our_sequence)
    our_packet pkt;         //instantiated the packet class

function new(string name="our_sequence");
    super.new(name);
endfunction

task body();
    pkt = our_packet :: type_id ::create ("our_packet");    //created memory, i.e. object for packet

    repeat(10)
    begin
        start_item(pkt);        //to start generating stimulus from tha sequence(packet) class pkt
        pkt.randomize();        //will assign random values to variables having rand keyword
        finish_itrm(pkt);       //to stop generating the stimulus
    end

endtask

endclass