Pentaho - pulling information from a site

Good morning guys, I'm using pentaho to pull information from various sites in the Brazilian state, I need to pull the information from this app here: #

OpenForm & Seq = 1

> <form method="post"
> action="/appls/legislacao/serc/legato.nsf/Todos?SearchView&amp;Query=(%5BAto_DataDO%5D%20%3E%3D%2001%2F01%2F2018%20AND%20%5BAto_DataDO%5D%20%3C%3D%2031%2F12%2F2019)&amp;SearchMax=0&amp;SearchWV=TRUE&amp;SearchOrder=4&amp;SearchThesaurus=FALSE&amp;Seq=1"
> name="_DominoForm">