JoyStick Sprint lock

Hi Guys

  1. Iam trying to make a basic battel royal game i wanted to implement sprint lock system like pubg like if we move joystick more up we can lock it and sprint action will run i want to do that can any one help me with that
    Note:- Iam using unreal default virtual joystick.

  2. when ever i pressed shoot button or any other button while walking using joystick iam unable to continue walking i need to press again any solutions for this?