postgresql multiple host and pgbacrest wall archive script

rsyncwal.sh

#!/bin/bash
rsync -q -ae ssh $1 \ postgres@<replica1>:<xlog_archive_path>/$2
rsync -q -ae ssh $1 \ postgres@<replica2>:<xlog_archive_path>/$2

if [ $? != 0 ]
then
        echo "Archiver error:"
        exit 1
fi

pgbackrest --stanza=<stanza-name> archive-push $fullpath

if [ $? != 0 ]
        then
        echo "pgbackrest error: See logs"
        exit 1
fi

exit 0

to run pgbackrest archive_command must be:
archive_command = '/var/lib/pgsql/9.6/rsyncwal.sh %p %f pgbackrest'
or this scripts name must be pgbackrest.sh something.