Low Code - How to connect with Postgresql database

Hi,
I am working on AssistEdge Low Code platform to develop an application. I want to connect with Postgresql database to fetch product details and display on LC application. Need help to understand, how to fetch records from database in LC?

AssistEdge Enterprise 19.1 - Low Code Orchestrator, Users can customize the datasource
“\data\wflow\app_datasource-default.properties”. Server Administrators can edit the configuration - datasource URL and credentials according to the environment.