How to use help in Xcode?

Question

Apple Xcode

Tell me how to use the built-in help in xcode? For example, for an application I want to display data in a graph, how and where to look for a class?

Answer 1

There is no standard class for plotting, there is a separate good core plot library https://github.com/core-plot/core-plot in Google, you can search for others on request iOS chart libraries