...

• Here ‘val’ is the value of the command we are sending to UE.

  

• then we will create an object called obj which will have cmd and value keys.

• Before posting the message using iframe, we have to check that iframe does exist, which you can see in the ‘if condition’.

• Once we send the message from iframe to unreal, instantly we can see the changes in the live screen the Open call button got clicked and the avatar is in front of the open call button.
  
  

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