Learning Pentaho CTools

Parameter, parameters, and listeners, again

When talking about building an interactive dashboard, you need to remember that parameters are crucial. To have a component using the same query but showing different results, we need to use parameters. When defining the data source, we need to say which parameters will be used and build the query with them inside. Also, we need to have the dashboard parameters where the values we want to use when executing the query are.

When setting the component, we need to specify the data source and the parameters properties, among others, but for now let's focus on these two. In the component, the parameters property is where you specify the mapping of the parameters that you have created in the dashboard, using ...