Member function not found in BrightScript Component or interface. (runtime error &hf4) in pkg:/sourc

i’m getting this error

“Member function not found in BrightScript Component or interface. (runtime error &hf4) in pkg:/source/Main.brs(26)”

026:* deepLinkData = appManager.GetLaunchData()

does anyone know how i can resolve this?

Where did you see GetLaunchData mentioned anywhere? It doesn’t exist.