diff --git a/pyipptool/core.py b/pyipptool/core.py
index 727a1fd..dd7a9cd 100644
--- a/pyipptool/core.py
+++ b/pyipptool/core.py
@@ -302,6 +302,7 @@ def create_job(self,
     @pyipptool_coroutine
     def print_job(self,
                   printer_uri=None,
+                  requesting_user_name=colander.null,
                   job_name=colander.null,
                   ipp_attribute_fidelity=colander.null,
                   document_name=colander.null,
@@ -322,6 +323,7 @@ def print_job(self,
                   orientation_requested=colander.null,
                   printer_resolution=colander.null,
                   print_quality=colander.null,
+                  ezeep_job_uuid=colander.null,
                   notify_recipient_uri=colander.null,
                   notify_events=colander.null,
                   notify_time_interval=colander.null,
@@ -329,10 +331,12 @@ def print_job(self,
                   job_billing=colander.null,
                   job_sheets=colander.null,
                   media=colander.null,
-                  document_content=None):
+                  document_content=None,
+                  ):
         filename, delete = _get_filename_for_content(document_content)
         kw = {'operation_attributes_tag':
               {'printer_uri': printer_uri,
+               'requesting_user_name': requesting_user_name,
                'job_name': job_name,
                'ipp_attribute_fidelity': ipp_attribute_fidelity,
                'document_name': document_name,
@@ -357,7 +361,9 @@ def print_job(self,
                'orientation_requested': orientation_requested,
                'media': media,
                'printer_resolution': printer_resolution,
-               'print_quality': print_quality},
+               'print_quality': print_quality,
+               'ezeep_job_uuid': ezeep_job_uuid,
+               },
               'subscription_attributes_tag':
               {'notify_recipient_uri': notify_recipient_uri,
                'notify_events': notify_events,
diff --git a/pyipptool/schemas.py b/pyipptool/schemas.py
index 903dbed..760679b 100644
--- a/pyipptool/schemas.py
+++ b/pyipptool/schemas.py
@@ -1,8 +1,11 @@
 import re
 
 import colander
-from .widgets import (IPPAttributeWidget, IPPBodyWidget, IPPFileWidget,
-                      IPPGroupWidget, IPPNameWidget)
+from .widgets import (IPPAttributeWidget,
+                      IPPBodyWidget,
+                      IPPFileWidget,
+                      IPPGroupWidget,
+                      IPPNameWidget)
 
 
 class IntegerOrTuple(colander.List):
@@ -243,6 +246,10 @@ class JobAttributesGroup(colander.Schema):
                                              widget=IPPAttributeWidget())
     print_quality = colander.SchemaNode(Enum(), widget=IPPAttributeWidget())
 
+    # Arbitrary Job Attributes
+    ezeep_job_uuid = colander.SchemaNode(Text(),
+                                         widget=IPPAttributeWidget())
+
 
 class SubscriptionGroup(colander.Schema):
     notify_recipient_uri = colander.SchemaNode(Uri(),
diff --git a/tests/test_highlevel.py b/tests/test_highlevel.py
index 613f7e0..ce36e0e 100644
--- a/tests/test_highlevel.py
+++ b/tests/test_highlevel.py
@@ -643,6 +643,7 @@ def test_print_job(_call_ipptool):
     with open(filename, 'rb') as tmp:
         print_job(printer_uri='ipp://cups:631/classes/p',
                   job_name='foo',
+                  requesting_user_name='john-rambo',
                   ipp_attribute_fidelity=False,
                   document_name='foo.txt',
                   compression='gzip',
@@ -666,7 +667,8 @@ def test_print_job(_call_ipptool):
                   media='iso-a4-white',
                   printer_resolution='600dpi',
                   print_quality='5',
-                  document_content=tmp.read())
+                  document_content=tmp.read(),
+                  ezeep_job_uuid='bla')
     request = _call_ipptool._mock_mock_calls[0][1][-1]
     expected_request = textwrap.dedent("""
     {
@@ -676,6 +678,7 @@ def test_print_job(_call_ipptool):
     ATTR charset attributes-charset utf-8
     ATTR language attributes-natural-language en
     ATTR uri printer-uri ipp://cups:631/classes/p
+    ATTR name requesting-user-name john-rambo
     ATTR name job-name foo
     ATTR boolean ipp-attribute-fidelity 0
     ATTR integer job-k-octets 1024
@@ -701,6 +704,7 @@ def test_print_job(_call_ipptool):
     ATTR keyword media iso-a4-white
     ATTR resolution printer-resolution 600dpi
     ATTR enum print-quality 5
+    ATTR text ezeep-job-uuid "bla"
     GROUP subscription-attributes-tag
     GROUP document-attributes-tag
     FILE /tmp/