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-rw-r--r--gr-wxgui/src/python/constants.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/gr-wxgui/src/python/constants.py b/gr-wxgui/src/python/constants.py
index 825f71c32..9612f36dd 100644
--- a/gr-wxgui/src/python/constants.py
+++ b/gr-wxgui/src/python/constants.py
@@ -1,5 +1,5 @@
#
-# Copyright 2008 Free Software Foundation, Inc.
+# Copyright 2008,2010 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
@@ -27,6 +27,8 @@ ALPHA_KEY = 'alpha'
AUTORANGE_KEY = 'autorange'
AVERAGE_KEY = 'average'
AVG_ALPHA_KEY = 'avg_alpha'
+USE_PERSISTENCE_KEY = 'use_persistence'
+PERSIST_ALPHA_KEY = 'persist_alpha'
BASEBAND_FREQ_KEY = 'baseband_freq'
BETA_KEY = 'beta'
COLOR_MODE_KEY = 'color_mode'