Builtin

Function	Status	Description
bar_index	✅	Current bar index
close	✅	Close price
high	✅	High price
hl2	✅	Average of high and low
hlc3	✅	Average of high, low, and close
hlcc4	✅	Average of high, low, close, and close
last_bar_index	✅	Index of last bar
last_bar_time	✅	Time of last bar
low	✅	Low price
na	✅	Not a number (NaN) literal
ohlc4	✅	Average of open, high, low, and close
open	✅	Open price
timenow	✅	Current time
volume	✅	Volume
ask	🔵	Ask price
bid	🔵	Bid price
dayofmonth	✅	Day of month
dayofweek	✅	Day of week
hour	✅	Hour
minute	✅	Minute
month	✅	Month
second	✅	Second
time	✅	Bar time
time_close	✅	Bar close time
time_tradingday	🔵	Trading day time
weekofyear	✅	Week of year
year	✅	Year

Function	Status	Description
false	✅	Boolean false
true	✅	Boolean true

Function	Status	Description
indicator()	✅	Indicator declaration
input()	✅	Input parameter (returns defval)
na()	✅	Check if value is NaN
nz()	✅	Replace NaN with zero
alert()	🔵	Alert function
alertcondition()	🔵	Alert condition
bool()	✅	Boolean conversion
box()	✅	Box object (via handle system)
color()	✅	Color type cast
dayofmonth()	✅	Day of month function
dayofweek()	✅	Day of week function
fill()	✅	Fill between plots/hlines (solid & gradient)
fixnan()	✅	Fix NaN values
float()	✅	Float conversion
hline()	✅	Horizontal line (via DrawingStore)
hour()	✅	Hour function
int()	✅	Integer conversion
label()	✅	Label object (via handle system)
library()	🔵	Library declaration
line()	✅	Line object (via handle system)
linefill()	🔵	Linefill object
max_bars_back()	🔵	Maximum bars back
minute()	✅	Minute function
month()	✅	Month function
second()	✅	Second function
strategy()	✅	Strategy declaration (parsed, maps to CTrade)
string()	✅	String conversion
table()	✅	Table object (via handle system)
time()	✅	Time function
time_close()	✅	Time close function
timestamp()	✅	Timestamp function
weekofyear()	✅	Week of year function
year()	✅	Year function
runtime.error()	✅	Runtime error (halts execution)