To leverage filter selections in your visuals, such as in titles, you need to use dashboard level parameters (if you are unfamiliar with parameters please make sure to watch the training video module)
Every filter in a dashboard set parameters, which you can examine by hovering over the “funnel” icon at the top right.
These parameters can be referenced within visuals using the parameter syntax:
For example, in the titles we can use “product_category.data” as the parameter, and use the syntax in our title:
<<product_category.data>> & <<product_name.data>>
Save and close visual editor. Then as you make selections in the filter widgets, the title of the visual will dynamically update based on selections: