How do i edit cylinder arc angle in ue4 of widget component in blueprint in gametime

Development Programming & Scripting UI
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1

I want to edit cylinder arc angle in ue4 of widget component in game time in ue4

Currently, there is no way to access cylinder arc and change its value in BP.
Can someone please help me out with this

2

Take the variable image then take the dynamic material and set the scalar parameter value.

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3

Do not forget to enter the name of the value of the dynamic parameter of the instance dynamic material. (parameter name)

4

I really need this too.