expdp flashback_time tips

userid="sys/don as sysdba"
job_name=job1
# parallel=2
# Flashback_time at specific time
FLASHBACK_TIME="TO_TIMESTAMP('13-05-2010 13:20:00', 'DD-MM-YYYY HH24:MI:SS')"

# Flashback_time at current time
FLASHBACK_TIME="TO_TIMESTAMP(TO_CHAR(SYSDATE,'YYYY-MM-DD HH24:MI:SS'),'YYYY-MM-DD HH24:MI:SS')"

# Flashback_time at current time
flashback_time=systimestamp

# Flashback_time at daily time example 11PM
flashback_time="to_timestamp(to_char(trunc(sysdate)+22/24,'YYYY-MM-DD'),'YYYY-MM-DD')"

directory=dpdump
filesize=20000000000
EXCLUDE=statistics
SCHEMAS=SCOTT
dumpfile=expdp_demo_scott_%U.dmp
logfile=expdp_demo_scott.log
COMPRESSION=ALL
CLUSTER=N
CONTENT=METADATA_ONLY