<?xml version="1.0"?> <!-- ################################################### ##Message Debug ################################################### --> <block> <name>Message Debug</name> <key>gr_message_debug</key> <import>from gnuradio import gr</import> <make>gr.message_debug()</make> <sink> <name>print</name> <type>message</type> <optional>1</optional> </sink> <sink> <name>store</name> <type>message</type> <optional>1</optional> </sink> <sink> <name>print_pdu_verbose</name> <type>message</type> <optional>1</optional> </sink> </block>