LagrangianParticleTracker example file

Absolutelly, there are multiples tests that shows how to use it.

If you built ParaView yourself with BUILD_TESTING:ON, you can access them.
Take a look into LagrangianParticleTracker tests, you can run them with ctest -R Lagrangian

Take a look here as well : https://blog.kitware.com/vtk-and-paraview-add-highly-configurable-particle-tracker/