How hide HUD during cinematic?

[SpectrumZX]

hi i am just recently at ue4. I have the hide HUD button pressed in cinematic, but the HUD is still displayed. How to hide HUD during cinematic?My video example

[Naraku4LP]

remove or visibility

[SpectrumZX]

But then there will be no interface in the game.

[pezzott1]

He meant this.