How to apply patch using adop downtime in R12.2

1)Source our run environment.
2)Stop our application services on all nodes.
3)adop phase=apply apply_mode=downtime patches=18329679
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Login to apdbasvr01 and sudo su – appdba
source /u17/home/apdba/EBSapps.env run
cd $PATCH_TOP
adop phase=apply, flags=autoskip,apply_mode=downtime patches=21132723