from com.inductiveautomation.factorypmi.application.components import PMICheckBox
for comp in rootContainer.getComponents():
if isinstance(comp, PMICheckBox):
pass # do something
Note that technically, you’ll want to call getComponents() recursively, and you also need to separate Vision “container-like” components from raw JComponents (all of which have a getComponents method).
Class names for the various default components are available here.