currentFrame of movieclip

Does anyone know a good way to acquire the currentFrame of a movieclip symbol placed on the main timeline? currently there is only 1 frame, but the movieclip has 50.

If i trace currentFrame, i only get 1. and tracing the child name doesnt work either.

I got it to work earlier but it crashed before i got to save and now i cant figure it out. Was something to do with making another movieclip symbol.

Any help would be much appreciated, thanks.