Get the checked value of a checkbox in a titledPane JAVAFX

So I have a JavaFX code that creates an Accordion with TitledPanes and each TitledPane have a checkBox:

So my question is there is any way to get the value of those checkBoxes after a button click: i.e: I pick a specific checkboxes and when i click on a button it will pring me all the checkedBoxes values