Claudio Aguiar

I am trying to import a simple text file named test.txt with a test sequence like this 1,1.55 2,1.78 3,2 4,2.5 I cannot find a help info for this. I get the outcome in the attached picture. It looks like the file need a strucuture with Dimension, Type, Format, Name, Header specifications, but I don't know how to do this. Would you please direct me to instructions? Thank a lot!