Plot duration vertical line

Hi there. I need some help with the plot belwo where I need to add a vertical line at 00:01:10.01. I tried doing it as in a normla plot: plot([co,co],[minline,maxline]); where co is the mentioned time, but doesnt work Any suggestion?

cheers

Answer 1

[Walter Roberson]

See xline() and yline()

[Luis Eduardo Cofré Lizama]

thanks!