Corpus of Electronic Texts Edition
Cath Maige Tuired: The Second Battle of Mag Tuired (Author: [unknown])

section 32

Then the Dagda brought his work to an end, and Bres asked him what he would take as wages for his labour. The Dagda answered, ‘I require that you gather the cattle of Ireland in one place.’ The king did that as he asked, and he chose the heifer from among them as the Mac Óc had told him. That seemed foolish to Bres. He had thought that he would have chosen something more.