code: def get_pipeline_field(self, pipeline_key, field_key = None):
  		'''Gets one/all field in a pipeline
  		Args:
  			pipeline_key 		key for pipeline
  			field_key 			key for field (default: None i.e. ALL)
  			returns				status code, field dict or list thereof
  		'''
  		uri = '/'.join([
  						self.api_uri, 
  						self.pipelines_suffix, 
  						pipeline_key, 
  						self.fields_suffix
  						])
  		if field_key:
  			uri = '/'.join([uri, field_key])
  
  		return self._req('get', urif get_pipeline_field(self, pipeline_key, field_key = None):
  		'''Gets one/all field in a pipeline
  		Args:
  			pipeline_key 		key for pipeline
  			field_key 			key for field (default: None i.e. ALL)
  			returns				status code, field dict or list thereof
  		'''
  		uri = '/'.join([
  						self.api_uri, 
  						self.pipelines_suffix, 
  						pipeline_key, 
  						self.fields_suffix
  						])
  		if field_key:
  			uri = '/'.join([uri, field_key])
  
  		return self._req('get', uri)
docs: Gets one/all field in a pipeline
  		Args:
  			pipeline_key 		key for pipeline
  			field_key 			key for field (default: None i.e. ALL)
  			returns				status code, field dict or list thereof