HowTo. Show sum of values from a table on a dashboard

Hi,
Id like to show summary of ie. invoices on a dashboard. I know how to build SQL query but I dont know How I can show a result of SQL query.

I am on “Page design” panel but I cant find any any component/widget which show custom values Please help,
regards,
Piotr

@piotr please use the count components are chart components. you will have to write your query to select the data and you can set a field from your as a label or value. Visit Design | Documentation (radsystems.io) to learn more.