The method propagateWeights tests whether the input is a minimal map (i.e., a minimal presentation of its cokernel). Set this argument to false to bypass this test.
The object MinimalityTest is a symbol.
The source of this document is in /__w/M2/M2/macaulay2-1.26.05+ds/M2/Macaulay2/packages/HighestWeights/doc.m2:247:0.