The MODIFY CATALOG,CONTENTION command can be used display the reason classes or Catalog resources for which contention detection is available. It will also indicate the current wait-time and any associated actions.

IEC359I CATALOG CONTENTION REPORT           
*CAS*****************************************************              
* RESOURCE        THRESHOLD(MIN)    ACTION(S)           *              
*CAS*****************************************************              
* SYSZTIOT           10             N                   *              
* SYSZVVDS            7             NR                  *              
* SYSIGGV2        9,999             N                   *              
* ALLOCLCK        INACTIVE          N                   *              
*CAS*****************************************************              
* ACTION KEY                                            *              
* N = NOTIFY OPERATOR  R = REDRIVE REQUEST              *              
*CAS*****************************************************  

Threshold wait times are in minutes and valid values are zero (inactive), and 5 minutes (minimum) to 9,999 minutes (maximum). Actions are displayed in the action column. N, for notify, is the default action and is always on and cannot be disabled. R, for re-drive, can be set by the MODIFY CATALOG,CONTENTION(reasonclass,wait_time,action-flags) command.