<?xml version="1.0"?>
<block>
  <name>ZMQ SUB Message Source</name>
  <key>zeromq_sub_msg_source</key>
  <category>[Core]/ZeroMQ Interfaces</category>
  <import>from gnuradio import zeromq</import>
  <make>zeromq.sub_msg_source($address, $timeout)</make>

  <param>
    <name>Address</name>
    <key>address</key>
    <type>string</type>
  </param>

  <param>
    <name>Timeout (msec)</name>
    <key>timeout</key>
    <value>100</value>
    <type>float</type>
  </param>

  <source>
    <name>out</name>
    <type>message</type>
    <optional>1</optional>
  </source>

</block>
