Scaleform displays GTA V logo in the bottom left and a progress bar on the right.

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BeginScaleformMovieMethod(scaleform, "SET_PROGRESS_TEXT")
PushScaleformMovieMethodParameterString("THIS IS A PROGRESS TEXT") -- set progress bar text
EndScaleformMovieMethod()

BeginScaleformMovieMethod(scaleform, "SET_PROGRESS_BAR")
PushScaleformMovieMethodParameterFloat(25.0) -- set progress bar percentage
EndScaleformMovieMethod()