Variables
second
The second of the bar being evaluated. Seven date parts are published as variables. `weekofyear` is not among them: it exists as a function only.
Example
indicator("Second-Based Signal", overlay=true)
isHalfMinute = (second >= 30)
plotshape(isHalfMinute, location=location.abovebar, color=color.purple, title="Half-Minute Signal")
Type
series int