auto toggle 3rd level

Hello,

at first thanks for this fantastic plugin!!

I try to expand the 3rd level by clicking the first to the second level…

Item 1 <– click here
– Item 1 <–expand level 2
— Item 1 <– expand level 3 automatic
– Item 2
Item 2
Item 3

I hope you understand what i mean…. 🙂

Many thanks for help to do this.

Greetings
Leonid

https://wordpress.org/plugins/nice-navigation/