added module properties

docs/LightningModule/properties.md

@@ -8,6 +8,15 @@ The current epoch
 #### dtype    
 Current dtype    
 
+---
+#### experiment    
+An instance of test-tube Experiment which you can use to log anything for tensorboarX.   
+```{.python}
+self.experiment.add_embedding(...)   
+self.experiment.log({'val_loss': 0.9})   
+self.experiment.add_scalars(...)   
+```
+
 --- 
 #### global_step   
 Total training batches seen across all epochs   
@@ -21,5 +30,11 @@ The current gradient clip value
 True if your model is currently running on GPUs. Useful to set flags around the LightningModule for different CPU vs GPU behavior.    
 
 ---
-#### Trainer
+#### trainer    
 Last resort access to any state the trainer has. Changing certain properties here could affect your training run.
+```{.python}   
+self.trainer.optimizers
+self.trainer.current_epoch
+...   
+```   
+