class a, c, k, o, r, s, u, v, x, y, z
fieldname Any field belonging to the specified class as described in
pwAddA, pwAddR, pwAddK, pwAddX, pwAddV, pwAddO, e.g.
class a: lhs, rhs
class c: reactants, products, modifiers, parameters
class k: ID, type, value, minValue, maxValue
class x: ID, type, startValue, minValue, maxValue
class v: ID, rhs
class o: lhs, rhs
class u: ID, uType
type Type of the specified field, given as one of the following strings:
stringCellArray, char, scalar, numericArray, numericCellArray, struct
