equations2var(eq, labels = list())

labels=list(X="frame",M="justify",Y="donate",W="skeptic")
moderator=list(name="skeptic",site=list(c("a","c")))
eq=multipleMediation(labels=labels,moderator=moderator,mode=1)
covar=list(name=c("C1","C2","C3"),site=list(c("M","Y"),c("M","Y"),c("M","Y")))
eq=multipleMediation(labels=labels,covar=covar,mode=1)
equations2var(eq,labels=labels)