# Pubsub: Requesting the Most Recent Items (#1608)

[Client] Alice

	jid: admin@localhost

	password: password

---------

Alice connects

Alice sends:

	<presence xmlns:stream="http://etherx.jabber.org/streams" id=":7IoqYcT3191rfk_dZGo2"/>

Alice receives:

	<presence xmlns:stream="http://etherx.jabber.org/streams" from="${Alice's full JID}" id=":7IoqYcT3191rfk_dZGo2"/>

Alice sends:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="pubsub.localhost" id=":m0SM8Hn5JxP9BJJ_X4Mz" type="set">

	  <pubsub xmlns="http://jabber.org/protocol/pubsub">

	    <create node="5549ea47-ea53-4cc1-9e7c-37842fe4bc06"/>

	  </pubsub>

	</iq>

Alice receives:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="${Alice's full JID}" from="pubsub.localhost" type="result" id=":m0SM8Hn5JxP9BJJ_X4Mz"/>

Alice sends:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="pubsub.localhost" id=":gwZgEQmzAHcQz-FZOxi-" type="get">

	  <pubsub xmlns="http://jabber.org/protocol/pubsub#owner">

	    <configure node="5549ea47-ea53-4cc1-9e7c-37842fe4bc06"/>

	  </pubsub>

	</iq>

Alice receives:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="${Alice's full JID}" from="pubsub.localhost" type="result" id=":gwZgEQmzAHcQz-FZOxi-">

	  <pubsub xmlns="http://jabber.org/protocol/pubsub#owner">

	    <configure node="5549ea47-ea53-4cc1-9e7c-37842fe4bc06">

	      <x xmlns="jabber:x:data" type="form">

		<field var="FORM_TYPE" type="hidden">

		  <value>http://jabber.org/protocol/pubsub#node_config</value>

		</field>

		<field var="pubsub#title" label="Title" type="text-single"/>

		<field var="pubsub#description" label="Description" type="text-single"/>

		<field var="pubsub#type" label="The type of node data, usually specified by the namespace of the payload (if any)" type="text-single"/>

		<field var="pubsub#max_items" label="Max # of items to persist" type="text-single">

			<validate xmlns="http://jabber.org/protocol/xdata-validate" datatype="pubsub:integer-or-max">

				<range min="1" max="256"/>

			</validate>

		  <value>20</value>

		</field>

		<field var="pubsub#persist_items" label="Persist items to storage" type="boolean">

		  <value>1</value>

		</field>

		<field var="pubsub#access_model" label="Specify the subscriber model" type="list-single">

		  <option label="authorize">

		    <value>authorize</value>

		  </option>

		  <option label="open">

		    <value>open</value>

		  </option>

		  <option label="presence">

		    <value>presence</value>

		  </option>

		  <option label="roster">

		    <value>roster</value>

		  </option>

		  <option label="whitelist">

		    <value>whitelist</value>

		  </option>

		  <value>open</value>

		</field>

		<field var="pubsub#publish_model" label="Specify the publisher model" type="list-single">

		  <option label="publishers">

		    <value>publishers</value>

		  </option>

		  <option label="subscribers">

		    <value>subscribers</value>

		  </option>

		  <option label="open">

		    <value>open</value>

		  </option>

		  <value>publishers</value>

		</field>

		<field type='list-single' var='pubsub#send_last_published_item'>

			<option label='never'>

				<value>never</value>

			</option>

			<option label='on_sub'>

				<value>on_sub</value>

			</option>

			<option label='on_sub_and_presence'>

				<value>on_sub_and_presence</value>

			</option>

			<value>never</value>

		</field>

		<field var="pubsub#deliver_notifications" label="Whether to deliver event notifications" type="boolean">

		  <value>1</value>

		</field>

		<field var="pubsub#deliver_payloads" label="Whether to deliver payloads with event notifications" type="boolean">

		  <value>1</value>

		</field>

		<field var="pubsub#notification_type" label="Specify the delivery style for notifications" type="list-single">

		  <option label="Messages of type normal">

		    <value>normal</value>

		  </option>

		  <option label="Messages of type headline">

		    <value>headline</value>

		  </option>

		  <value>headline</value>

		</field>

		<field var="pubsub#notify_delete" label="Whether to notify subscribers when the node is deleted" type="boolean">

		  <value>1</value>

		</field>

		<field var="pubsub#notify_retract" label="Whether to notify subscribers when items are removed from the node" type="boolean">

		  <value>1</value>

		</field>

	      </x>

	    </configure>

	  </pubsub>

	</iq>

Alice sends:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="pubsub.localhost" id=":pfWBQ2MNIq8ieul57Qp7" type="set">

	  <pubsub xmlns="http://jabber.org/protocol/pubsub">

	    <publish node="5549ea47-ea53-4cc1-9e7c-37842fe4bc06">

	      <item id="20e9eb9e-8acb-436e-a486-40e80400faf1">

		<foo xmlns="https://zombofant.net/xmlns/aioxmpp#test">foo</foo>

	      </item>

	    </publish>

	  </pubsub>

	</iq>

Alice receives:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="${Alice's full JID}" from="pubsub.localhost" type="result" id=":pfWBQ2MNIq8ieul57Qp7">

	  <pubsub xmlns="http://jabber.org/protocol/pubsub">

	    <publish node="5549ea47-ea53-4cc1-9e7c-37842fe4bc06">

	      <item id="20e9eb9e-8acb-436e-a486-40e80400faf1"/>

	    </publish>

	  </pubsub>

	</iq>

Alice sends:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="pubsub.localhost" id=":Q5TLT6nsW0HHdkDgrPPe" type="set">

	  <pubsub xmlns="http://jabber.org/protocol/pubsub">

	    <publish node="5549ea47-ea53-4cc1-9e7c-37842fe4bc06">

	      <item id="4b94623d-1127-41c0-ac47-e283fd890557">

		<foo xmlns="https://zombofant.net/xmlns/aioxmpp#test">bar</foo>

	      </item>

	    </publish>

	  </pubsub>

	</iq>

Alice receives:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="${Alice's full JID}" from="pubsub.localhost" type="result" id=":Q5TLT6nsW0HHdkDgrPPe">

	  <pubsub xmlns="http://jabber.org/protocol/pubsub">

	    <publish node="5549ea47-ea53-4cc1-9e7c-37842fe4bc06">

	      <item id="4b94623d-1127-41c0-ac47-e283fd890557"/>

	    </publish>

	  </pubsub>

	</iq>

Alice sends:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="pubsub.localhost" id=":3nvB2E20p1iuM6lOPaP6" type="get">

	  <pubsub xmlns="http://jabber.org/protocol/pubsub">

			<items node="5549ea47-ea53-4cc1-9e7c-37842fe4bc06" max_items="1"/>

	  </pubsub>

	</iq>

Alice receives:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="${Alice's full JID}" from="pubsub.localhost" type="result" id=":3nvB2E20p1iuM6lOPaP6">

	  <pubsub xmlns="http://jabber.org/protocol/pubsub">

	    <items node="5549ea47-ea53-4cc1-9e7c-37842fe4bc06">

	      <item publisher="${Alice's JID}" xmlns="http://jabber.org/protocol/pubsub" id="4b94623d-1127-41c0-ac47-e283fd890557">

		<foo xmlns="https://zombofant.net/xmlns/aioxmpp#test">bar</foo>

	      </item>

	    </items>

	  </pubsub>

	</iq>

Alice sends:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="pubsub.localhost" id=":XQdyK54iyOKiJvUoX9t_" type="get">

	  <pubsub xmlns="http://jabber.org/protocol/pubsub">

	    <items node="5549ea47-ea53-4cc1-9e7c-37842fe4bc06"/>

	  </pubsub>

	</iq>

Alice receives:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="${Alice's full JID}" from="pubsub.localhost" type="result" id=":XQdyK54iyOKiJvUoX9t_">

	  <pubsub xmlns="http://jabber.org/protocol/pubsub">

	    <items node="5549ea47-ea53-4cc1-9e7c-37842fe4bc06">

	      <item xmlns="http://jabber.org/protocol/pubsub" publisher="${Alice's JID}" id="20e9eb9e-8acb-436e-a486-40e80400faf1">

		<foo xmlns="https://zombofant.net/xmlns/aioxmpp#test">foo</foo>

	      </item>

	      <item xmlns="http://jabber.org/protocol/pubsub" publisher="${Alice's JID}" id="4b94623d-1127-41c0-ac47-e283fd890557">

		<foo xmlns="https://zombofant.net/xmlns/aioxmpp#test">bar</foo>

	      </item>

	    </items>

	  </pubsub>

	</iq>

Alice sends:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="pubsub.localhost" id=":ySGQOz5tnyWT82idwJZP" type="set">

	  <pubsub xmlns="http://jabber.org/protocol/pubsub#owner">

	    <delete node="5549ea47-ea53-4cc1-9e7c-37842fe4bc06"/>

	  </pubsub>

	</iq>

Alice receives:

	<iq xmlns:stream="http://etherx.jabber.org/streams" to="${Alice's full JID}" from="pubsub.localhost" type="result" id=":ySGQOz5tnyWT82idwJZP"/>