Added block for extracting assignment commands
diff --git a/grc/gsm_block_tree.xml b/grc/gsm_block_tree.xml
index 85a89c2..c418fab 100644
--- a/grc/gsm_block_tree.xml
+++ b/grc/gsm_block_tree.xml
@@ -59,6 +59,7 @@
       <block>gsm_extract_system_info</block>
       <block>gsm_extract_immediate_assignment</block>
       <block>gsm_extract_cmc</block>
+      <block>gsm_extract_assignment_cmd</block>
       <block>gsm_controlled_rotator_cc</block>
       <block>gsm_controlled_fractional_resampler_cc</block>
       <block>gsm_message_printer</block>