How to trace back Workflow notification history?

1 CREATE OR REPLACE FUNCTION get_hist ( p_nid IN PLS_INTEGER
2 , p_disp_type IN VARCHAR2 DEFAULT WF_NOTIFICATION.doc_text ) RETURN VARCHAR2 AS
3 v_hist VARCHAR2(32767);
4 BEGIN
5 Wf_Notification.GetComments2 ( p_nid => p_nid
6 , p_display_type => NVL(p_disp_type,WF_NOTIFICATION.doc_text)
7 , p_hide_reassign => 'Y'
8 , p_hide_requestinfo => 'Y'
9 , p_action_history => v_hist );
10
11 RETURN v_hist;
12
13 END get_hist;
14*

APPS@SOLDEV2 on 18-SEP-2008 10:43:34> select get_hist(1574024) from dual;

GET_HIST(1574024)
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Action History
Num : Action Date : Action : From : To : Details
1 : 17-JUL-2008 12:03:45 : Submit : SYSADMIN : Searle, Matthew :
2 : 18-SEP-2008 10:21:00 : Request Information : Searle, Matthew : SEARLEM4B : Hello


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