Change the $YourPackageName in .uml file to your PackageName.R for exmaple if your package name is com.sample.project then replace $YourPackageName with com.sample.project.R
To access ANDROID CAMERAX API for APi>24 add PERMISSION .Do not bother to ask for persmission as it is already handled by the Plugin.
To access ANDROID GPS API for APi>22 add PERMISSION .Do not bother to ask for persmission as it is already handled by the Plugin.
Customise your Api from plugin available in Unreal Marketplace as Customised Pickers.
Multi Image Picker
Muti Video Picker
Record Video or Capture Pic from inside Unreal App/Game itself with CAMERAX API
GPS API