add
sub
mul
div
mod
exp
fdiv
eq
uppercase
lowercase
capitalize
title
split
strip
replace
remove_newlines
encode
slice
first
last
index
join
len
dict_to_key_value_list
dict_pop
dict_pop_prefix
dict_filter_by_prefix
dictget
from_timestamp
utcnow
utcnowtimestamp
utcnowiso
to_utc
to_timestamp
datetime_compare
is_business_hours
json_dumps
json_loads
get_firing_time
add_time_to_date
timestamp_delta
is_first_time
all
diff
all
).
Example: