Brazil's Congress took office in February 2019 and Joênia began her term as the leader of her party, Rede Sustentabilidade (or Sustainability Network in Portuguese), in the Chamber of Deputies, the federal legislature's lower house.
Majalisar Barazil ta kama aiki a Fabarairun 2019 kuma Joenia ta fara wa'adinta a matsayin shugabar jam'iyyarta, Rede Sustentabilidade (ko Haɗaka Mai ɗorewa da Portuguese), a majalisar mataimakan shugabanni, a ƙaramar majalisar zartarwa ta tarayya.