Tailor the TSO/E logon process. Verify, change, or supply logon parameters and system characteristics, cancel logon requests, provide your own JCL statements, or display your own full-screen logon panel.

Perform the functions of IKJEFLD, plus authorized functions. Specify the first TSO/E command, return Job and SYSOUT classes, bypass RACF®, return the RBA, pass data to the logoff exit, specify SECLABEL of current logon session, set up a console profile, and set up languages for users. Refer to Writing a logon pre-prompt exit (IKJEFLD/IKJEFLD1).

Edit logon information prior to display or re-display of the logon panel. Process installation-defined fields on the logon panel. Refer to Writing a logon pre-display exit (IKJEFLN1).

Validate and process fields on the logon panel after the user has entered the information on the logon panel. Request logon panel reprompting. Request help panels. Refer to Writing a logon post-display exit (IKJEFLN2).

Edit TSO/E logon JCL and control blocks after prompting has completed. Refer to Writing a logon post-prompt exit (IKJEFLD3).

Tailor the TSO/E logoff process. Gather accounting information, control UADS and RACF data base updates, control re-logons. Refer to Writing a logoff exit (IKJEFLD2).