diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9ab101fb..fe19a825 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 CHANGELOG
 =========
 
+2.4.0
+-----
+
+* Added Basic Outcome claim handling
+
 2.3.0
 -----
 
diff --git a/src/Message/Claim/BasicOutcomeClaim.php b/src/Message/Claim/BasicOutcomeClaim.php
new file mode 100644
index 00000000..5193d1f8
--- /dev/null
+++ b/src/Message/Claim/BasicOutcomeClaim.php
@@ -0,0 +1,74 @@
+<?php
+
+/**
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; under version 2
+ * of the License (non-upgradable).
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright (c) 2020 (original work) Open Assessment Technologies SA;
+ */
+
+declare(strict_types=1);
+
+namespace OAT\Library\Lti1p3Core\Message\Claim;
+
+use OAT\Library\Lti1p3Core\Message\LtiMessageInterface;
+
+/**
+ * @see https://www.imsglobal.org/spec/lti-bo/v1p1/#integration-with-lti-1-3
+ */
+class BasicOutcomeClaim implements MessageClaimInterface
+{
+    /** @var string */
+    private $lisResultSourcedId;
+
+    /** @var string */
+    private $lisOutcomeServiceUrl;
+
+    public function __construct(string $lisResultSourcedId, string $lisOutcomeServiceUrl)
+    {
+        $this->lisResultSourcedId = $lisResultSourcedId;
+        $this->lisOutcomeServiceUrl = $lisOutcomeServiceUrl;
+    }
+
+    public static function getClaimName(): string
+    {
+        return LtiMessageInterface::CLAIM_LTI_BASIC_OUTCOME;
+    }
+
+    public function getLisResultSourcedId(): string
+    {
+        return $this->lisResultSourcedId;
+    }
+
+    public function getLisOutcomeServiceUrl(): string
+    {
+        return $this->lisOutcomeServiceUrl;
+    }
+
+    public function normalize(): array
+    {
+        return array_filter([
+            'lis_result_sourcedid' => $this->lisResultSourcedId,
+            'lis_outcome_service_url' => $this->lisOutcomeServiceUrl,
+        ]);
+    }
+
+    public static function denormalize(array $claimData): BasicOutcomeClaim
+    {
+        return new self(
+            $claimData['lis_result_sourcedid'],
+            $claimData['lis_outcome_service_url']
+        );
+    }
+}
diff --git a/src/Message/LtiMessage.php b/src/Message/LtiMessage.php
index 64ca7f0f..ff6c8328 100644
--- a/src/Message/LtiMessage.php
+++ b/src/Message/LtiMessage.php
@@ -24,6 +24,7 @@
 
 use OAT\Library\Lti1p3Core\Exception\LtiException;
 use OAT\Library\Lti1p3Core\Message\Claim\AgsClaim;
+use OAT\Library\Lti1p3Core\Message\Claim\BasicOutcomeClaim;
 use OAT\Library\Lti1p3Core\Message\Claim\ContextClaim;
 use OAT\Library\Lti1p3Core\Message\Claim\LaunchPresentationClaim;
 use OAT\Library\Lti1p3Core\Message\Claim\LisClaim;
@@ -143,4 +144,9 @@ public function getNrps(): ?NrpsClaim
     {
         return $this->getClaim(NrpsClaim::class);
     }
+
+    public function getBasicOutcome(): ?BasicOutcomeClaim
+    {
+        return $this->getClaim(BasicOutcomeClaim::class);
+    }
 }
diff --git a/src/Message/LtiMessageInterface.php b/src/Message/LtiMessageInterface.php
index dfa95fe2..61342ed5 100644
--- a/src/Message/LtiMessageInterface.php
+++ b/src/Message/LtiMessageInterface.php
@@ -23,6 +23,7 @@
 namespace OAT\Library\Lti1p3Core\Message;
 
 use OAT\Library\Lti1p3Core\Message\Claim\AgsClaim;
+use OAT\Library\Lti1p3Core\Message\Claim\BasicOutcomeClaim;
 use OAT\Library\Lti1p3Core\Message\Claim\ContextClaim;
 use OAT\Library\Lti1p3Core\Message\Claim\LaunchPresentationClaim;
 use OAT\Library\Lti1p3Core\Message\Claim\LisClaim;
@@ -59,6 +60,9 @@ interface LtiMessageInterface extends MessageInterface
     // LTI NRPS claim
     public const CLAIM_LTI_NRPS = 'https://purl.imsglobal.org/spec/lti-nrps/claim/namesroleservice';
 
+    // LTI Basic Outcome claim
+    public const CLAIM_LTI_BASIC_OUTCOME = 'https://purl.imsglobal.org/spec/lti-bo/claim/basicoutcome';
+
     public function getMessageType(): string;
 
     public function getVersion(): string;
@@ -88,4 +92,6 @@ public function getUserIdentity(): ?UserIdentityInterface;
     public function getAgs(): ?AgsClaim;
 
     public function getNrps(): ?NrpsClaim;
+
+    public function getBasicOutcome(): ?BasicOutcomeClaim;
 }
diff --git a/tests/Integration/Message/LtiMessageTest.php b/tests/Integration/Message/LtiMessageTest.php
index 71ee1723..6cf93e6b 100644
--- a/tests/Integration/Message/LtiMessageTest.php
+++ b/tests/Integration/Message/LtiMessageTest.php
@@ -23,6 +23,7 @@
 namespace OAT\Library\Lti1p3Core\Tests\Integration\Message;
 
 use OAT\Library\Lti1p3Core\Message\Claim\AgsClaim;
+use OAT\Library\Lti1p3Core\Message\Claim\BasicOutcomeClaim;
 use OAT\Library\Lti1p3Core\Message\Claim\NrpsClaim;
 use OAT\Library\Lti1p3Core\Registration\RegistrationInterface;
 use OAT\Library\Lti1p3Core\Launch\Builder\LtiLaunchRequestBuilder;
@@ -84,6 +85,7 @@ protected function setUp(): void
                     new LisClaim('course_offering_sourcedid'),
                     new AgsClaim(['scope'], 'line_items_container_url'),
                     new NrpsClaim('context_membership_url', ['1.0', '2.0']),
+                    new BasicOutcomeClaim('id', 'url'),
                     'aaa' => 'bbb'
                 ]
             )->getLtiMessage();
@@ -174,4 +176,11 @@ public function testGetNrps(): void
         $this->assertEquals('context_membership_url', $this->subject->getNrps()->getContextMembershipsUrl());
         $this->assertEquals(['1.0', '2.0'], $this->subject->getNrps()->getServiceVersions());
     }
+
+    public function testGetBasicOutcome(): void
+    {
+        $this->assertInstanceOf(BasicOutcomeClaim::class, $this->subject->getBasicOutcome());
+        $this->assertEquals('id', $this->subject->getBasicOutcome()->getLisResultSourcedId());
+        $this->assertEquals('url', $this->subject->getBasicOutcome()->getLisOutcomeServiceUrl());
+    }
 }
diff --git a/tests/Unit/Message/Claim/BasicOutcomeClaimTest.php b/tests/Unit/Message/Claim/BasicOutcomeClaimTest.php
new file mode 100644
index 00000000..8f4cadc5
--- /dev/null
+++ b/tests/Unit/Message/Claim/BasicOutcomeClaimTest.php
@@ -0,0 +1,72 @@
+<?php
+
+/**
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; under version 2
+ * of the License (non-upgradable).
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright (c) 2020 (original work) Open Assessment Technologies SA;
+ */
+
+declare(strict_types=1);
+
+namespace OAT\Library\Lti1p3Core\Tests\Unit\Message\Claim;
+
+use OAT\Library\Lti1p3Core\Message\Claim\BasicOutcomeClaim;
+use OAT\Library\Lti1p3Core\Message\LtiMessageInterface;
+use PHPUnit\Framework\TestCase;
+
+class BasicOutcomeClaimTest extends TestCase
+{
+    /** @var BasicOutcomeClaim */
+    private $subject;
+
+    public function setUp(): void
+    {
+        $this->subject = new BasicOutcomeClaim('id', 'url');
+    }
+
+    public function testGetClaimName(): void
+    {
+        $this->assertEquals(LtiMessageInterface::CLAIM_LTI_BASIC_OUTCOME, $this->subject::getClaimName());
+    }
+
+    public function testGetters(): void
+    {
+        $this->assertEquals('id', $this->subject->getLisResultSourcedId());
+        $this->assertEquals('url', $this->subject->getLisOutcomeServiceUrl());
+    }
+
+    public function testNormalisation(): void
+    {
+        $this->assertEquals(
+            [
+                'lis_result_sourcedid' => 'id',
+                'lis_outcome_service_url' => 'url',
+            ],
+            $this->subject->normalize()
+        );
+    }
+
+    public function testDenormalisation(): void
+    {
+        $denormalisation = BasicOutcomeClaim::denormalize([
+            'lis_result_sourcedid' => 'id',
+            'lis_outcome_service_url' => 'url',
+        ]);
+
+        $this->assertInstanceOf(BasicOutcomeClaim::class, $denormalisation);
+        $this->assertEquals('id', $denormalisation->getLisResultSourcedId());
+        $this->assertEquals('url', $denormalisation->getLisOutcomeServiceUrl());
+    }
+}