How to get config object from config db to the tb_top

In reply to saritr:

mayur’s first reply to your post was correct:

uvm_config_db #(rx_agent_config)::set(null, "*", "db_rx_agent_config", m_rx_cfg)
uvm_config_db #(rx_agent_config)::get(null, "", "db_rx_agent_config", m_rx_cfg)