code: def face_detection():
      """Detect faces in images."""
      cli = FlashCLI(
          FaceDetector,
          FaceDetectionData,
          default_datamodule_builder=from_fddb,
          default_arguments={
              "trainer.max_epochs": 3,
          },
      )
  
      cli.trainer.save_checkpoint("face_detection_model.pt")
  
imports: from flash.core.utilities.flash_cli import FlashCLI
  from flash.image.face_detection.data import FaceDetectionData
  from flash.image.face_detection.model import FaceDetector
label_desc: Use image node_id 2 for calling a global function with example usage: face_detection() without return types