::''For example:'' An alert is triggered if the High crosses over the trendline or the Low crosses under the trendline.
:'''2''' - Breakout on close - Alert triggering conditions are evaluated at Close of a bar.
::''For example:'' An alert is triggered if the Close of the previous bar was below the trendline and the Close of the current bar is above the trendline, or if the Close of the previous bar was above the trendline and the Close of the current bar is below the trendline.
== Notes ==
* A trendline-specific ID number is returned by [[TL_New]] when the trendline is created.