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-Define a context class
-======================
-
-The [ArContext](../../argaze.md/#argaze.ArFeatures.ArContext) class defines a generic class interface to handle pipeline inputs according to [Python context manager feature](https://docs.python.org/3/reference/datamodel.html#context-managers).
-
-# Write Python context file
-
-A specific [ArContext](../../argaze.md/#argaze.ArFeatures.ArContext) can be defined into a Python file.
-
-Here is an example context defined into *my_context.py* file:
-
-```python
-from argaze import ArFeatures, DataFeatures
-
-class Example(ArFeatures.ArContext):
-
-	@DataFeatures.PipelineStepInit
-	def __init__(self, **kwargs):
-
-		# Init ArContext class
-		super().__init__()
-
-		# Init private attribute
-		self.__parameter = ...
-
-	@property
-	def parameter(self):
-		"""Any context specific parameter."""
-		return self.__parameter
-
-	@parameter.setter
-	def parameter(self, parameter):
-		self.__parameter = parameter
-	
-	@DataFeatures.PipelineStepEnter
-	def __enter__(self):
-
-		# Start context according any specific parameter
-		... self.parameter
-
-		# Assuming that timestamp, x and y values are available
-		...
-
-			# Process timestamped gaze position
-			self._process_gaze_position(timestamp = timestamp, x = x, y = y)
-
-	@DataFeatures.PipelineStepExit
-	def __exit__(self, exception_type, exception_value, exception_traceback):
-
-		# End context
-		...
-```
-
-!!! note ""
-
-	The next chapter explains how to [load a context to connect it with a pipeline](configuration_and_connection.md).
-	
-\ No newline at end of file