agent.sv

class our_agent extends uvm_agent;
    `uvm_component_utils(our_agent)

our_sequencer seqr;     //initiated sequencer, driver and monitor classes in agent acc. to hierarchy
our_driver drv;
our_monitor mon;

//buildphase
function void build_phase(uvm_phase phase)

    seqr = our_sequencer :: type_id :: create("seqr", this)     //these are the components we will be writing code for
    drv = our_driver :: type_id :: create ("drv", this)
    mon = our_monitor :: type_id :: create ("mon", this)
endfunction

//connect phase
function void connect_phase(uvm_phase phase);
    //necessary connections
        drv.seq_item_port.connect(seqr.seq_item_export)     //made aconnection between the drivers port and sequencers export

//run phase