Parameterised members of a class assigning new value

In reply to bharath123:
Hello Dave,

Please see below snippet of code where i want to override the parameter declared inside the package.

I need help how can we do it?

////////////////////////////////////////////////////////////////////////////////////////////

package abc;
parameter int My_var=1;

function par_override(int local_val)
My_var=local_val;
// $display(“local_cal=%d”,local_val);
endfunction
endpackage

module basic1;

initial begin
abc::par_override(2);
//$display("My_var=%d ",abc::My_var);

end

endmodule:basic1

Thanks
Bharath