diff --git a/jenkins_jobs/modules/parameters.py b/jenkins_jobs/modules/parameters.py
index f01d80439..47bd5d5bd 100644
--- a/jenkins_jobs/modules/parameters.py
+++ b/jenkins_jobs/modules/parameters.py
@@ -394,7 +394,11 @@ def extended_choice_param(registry, xml_parent, data):
     :arg str description-property-key: key for the value description
         property file (optional, default '')
     :arg str multi-select-delimiter: value between selections when the
-        parameter is a multi-select (optiona, default ',')
+        parameter is a multi-select (optional, default ',')
+    :arg str groovy-script: the groovy script contents (optional, default ',')
+    :arg str classpath: the classpath for the groovy script
+        (optional, default ',')
+
 
     Minimal Example:
 
@@ -437,6 +441,8 @@ def extended_choice_param(registry, xml_parent, data):
         ('default-property-key', 'defaultPropertyKey', ''),
         ('description-property-file', 'descriptionPropertyFile', ''),
         ('description-property-key', 'descriptionPropertyKey', ''),
+        ('groovy-script', 'groovyScript', ''),
+        ('classpath', 'groovyClasspath', ''),
     ]
     convert_mapping_to_xml(pdef, data, mapping, fail_required=True)
 
diff --git a/tests/parameters/fixtures/extended-choice-param-full.xml b/tests/parameters/fixtures/extended-choice-param-full.xml
index 38e29147f..f3716a90c 100644
--- a/tests/parameters/fixtures/extended-choice-param-full.xml
+++ b/tests/parameters/fixtures/extended-choice-param-full.xml
@@ -19,6 +19,8 @@
           <defaultPropertyKey>fookey</defaultPropertyKey>
           <descriptionPropertyFile/>
           <descriptionPropertyKey/>
+          <groovyScript/>
+          <groovyClasspath/>
         </com.cwctravel.hudson.plugins.extended__choice__parameter.ExtendedChoiceParameterDefinition>
       </parameterDefinitions>
     </hudson.model.ParametersDefinitionProperty>
diff --git a/tests/parameters/fixtures/extended-choice-param-minimal-groovy.xml b/tests/parameters/fixtures/extended-choice-param-minimal-groovy.xml
new file mode 100644
index 000000000..a8e92e3cc
--- /dev/null
+++ b/tests/parameters/fixtures/extended-choice-param-minimal-groovy.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<project>
+  <properties>
+    <hudson.model.ParametersDefinitionProperty>
+      <parameterDefinitions>
+        <com.cwctravel.hudson.plugins.extended__choice__parameter.ExtendedChoiceParameterDefinition>
+          <name>OPTIONS</name>
+          <description>Available options</description>
+          <value/>
+          <visibleItemCount>5</visibleItemCount>
+          <multiSelectDelimiter>,</multiSelectDelimiter>
+          <quoteValue>false</quoteValue>
+          <defaultValue/>
+          <descriptionPropertyValue/>
+          <type>PT_CHECKBOX</type>
+          <propertyFile/>
+          <propertyKey/>
+          <defaultPropertyFile/>
+          <defaultPropertyKey/>
+          <descriptionPropertyFile/>
+          <descriptionPropertyKey/>
+          <groovyScript>return 'value1, value2, value3'</groovyScript>
+          <groovyClasspath/>
+        </com.cwctravel.hudson.plugins.extended__choice__parameter.ExtendedChoiceParameterDefinition>
+      </parameterDefinitions>
+    </hudson.model.ParametersDefinitionProperty>
+  </properties>
+</project>
diff --git a/tests/parameters/fixtures/extended-choice-param-minimal-groovy.yaml b/tests/parameters/fixtures/extended-choice-param-minimal-groovy.yaml
new file mode 100644
index 000000000..555a0e770
--- /dev/null
+++ b/tests/parameters/fixtures/extended-choice-param-minimal-groovy.yaml
@@ -0,0 +1,7 @@
+parameters:
+  - extended-choice:
+      name: OPTIONS
+      description: "Available options"
+      type: 'PT_CHECKBOX'
+      groovy-script: "return 'value1, value2, value3'"
+      classpath: ''
diff --git a/tests/parameters/fixtures/extended-choice-param-minimal.xml b/tests/parameters/fixtures/extended-choice-param-minimal.xml
index dcf9f9483..b4c3c780b 100644
--- a/tests/parameters/fixtures/extended-choice-param-minimal.xml
+++ b/tests/parameters/fixtures/extended-choice-param-minimal.xml
@@ -19,6 +19,8 @@
           <defaultPropertyKey/>
           <descriptionPropertyFile/>
           <descriptionPropertyKey/>
+          <groovyScript/>
+          <groovyClasspath/>
         </com.cwctravel.hudson.plugins.extended__choice__parameter.ExtendedChoiceParameterDefinition>
       </parameterDefinitions>
     </hudson.model.ParametersDefinitionProperty>