Can not add vertices on the shape

I am getting different options when I right click on the stem so I am not able to add vertices to the shape as show in video. Please help me resolve this.
I am using Synfig 1.2.2


Synfig Plant-animation 03-04 min 40-50 sec 15-10-20, 2:24 p.m. Madhulika

Answers:

Right click on the outline of the shape to add new vertices.
15-10-20, 6:53 p.m. arthi

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