B4J Question rdcconnector connect google cloud MySQL

Hi,
I'm trying to connect to Google CLOUD with rdc connector,

Is there someone who did that with any success


i tried :
#AdditionalJar:mysql-connector-java-8.0.22.jar

jdbcUrl="jdbc:mysql://xx.xx.xx.xx:3306/dbname?cloudSqlInstance=meta-vista-something&useSSL=false



thks in advance guys