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diff --git a/grc/data/platforms/python/blocks/variable_sink.xml b/grc/data/platforms/python/blocks/variable_sink.xml
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+<?xml version="1.0"?>
+<!--
+###################################################
+##Variable Sink: Custom blks2 block
+###################################################
+ -->
+<block>
+ <name>Variable Sink</name>
+ <key>variable_sink</key>
+ <import>from grc_gnuradio import blks2 as grc_blks2</import>
+ <make>grc_blks2.queue_sink_$(type.fcn)($vlen)
+grc_blks2.queue_sink_thread(self.$id, set_$(variable))</make>
+ <param>
+ <name>Type</name>
+ <key>type</key>
+ <type>enum</type>
+ <option>
+ <name>Complex</name>
+ <key>complex</key>
+ <opt>fcn:c</opt>
+ </option>
+ <option>
+ <name>Float</name>
+ <key>float</key>
+ <opt>fcn:f</opt>
+ </option>
+ <option>
+ <name>Int</name>
+ <key>int</key>
+ <opt>fcn:i</opt>
+ </option>
+ <option>
+ <name>Short</name>
+ <key>short</key>
+ <opt>fcn:s</opt>
+ </option>
+ <option>
+ <name>Byte</name>
+ <key>byte</key>
+ <opt>fcn:b</opt>
+ </option>
+ </param>
+ <param>
+ <name>Variable</name>
+ <key>variable</key>
+ <value></value>
+ <type>raw</type>
+ </param>
+ <param>
+ <name>Vec Length</name>
+ <key>vlen</key>
+ <value>1</value>
+ <type>int</type>
+ </param>
+ <check>$vlen &gt; 0</check>
+ <sink>
+ <name>in</name>
+ <type>$type</type>
+ <vlen>$vlen</vlen>
+ </sink>
+ <doc>
+Read samples from the input stream and write each sample to the variable.
+
+The variable must be the id of an existing variable block.
+ </doc>
+</block>