Extjs6: How can I programmactically expand/collapse a row using rowexpander in a grid

Question

I saw some answers for Extjs4, which use 'toggleRow' method: How to expand row in a grid using rowexpander plugin Extjs 4.1.1

but it is no longer available in extjs6. Please help.

Answer 1

In fact, it is still available, but they removed it from the docs, I don't know why.