diff --git a/scrub_layer_class.py b/scrub_layer_class.py
index 5235920..1963e85 100644
--- a/scrub_layer_class.py
+++ b/scrub_layer_class.py
@@ -27,19 +27,21 @@ class ScrubLayer:
     self.layer = self.load_layer()
     self.data_count = self.layer.featureCount()
 
-  def cell_value(self, fid, field_name):
+  def get_cell(self, fid, field_name):
     return self.layer.getFeature(fid)[field_name]
 
-  def cell_field_fields(
+  def select_cell(
           self,
-          field_name, field_name_value, field_field_value,
+          field_name, field_value, required_field,
           return_one_value=False):
-    expression = QgsExpression(f'{field_name} = {field_name_value}')
+    """Returns the value of a field
+    based on the value of another field in the same record"""
+    expression = QgsExpression(f'{field_name} = {field_value}')
     request = QgsFeatureRequest(expression)
     features = self.layer.getFeatures(request)
     field_field_values = []
     for feature in features:
-      field_field_values.append(feature[field_field_value])
+      field_field_values.append(feature[required_field])
       if return_one_value and field_field_values:
         return field_field_values[0]
     return field_field_values