This function returns the class of the base of the cotangent bundle of the flag variety in the cohomology ring given as argument (or the last ring defined with setupCotangent if no argument is given).
The object zeroSection is a method function with options.
The source of this document is in /build/reproducible-path/macaulay2-1.25.06+ds/M2/Macaulay2/packages/CotangentSchubert.m2:398:0.