DBMS_APPLICATION_INFO

 DBMS_APPLICATION_INFO.set_module
(
module_name => g_module_name||'.'||g_block_name,
action_name => 'Initializing ...'
);

DBMS_APPLICATION_INFO.read_module(l_prev_module_block,l_prev_action);

DBMS_APPLICATION_INFO.set_client_info
        (
        client_info =>g_module_name||'.'||g_block_name
        );

DBMS_APPLICATION_INFO.read_client_info (l_curr_module_block);