Index: 3rdParty_sources/basiclti-util/readme by LAMS.txt
===================================================================
diff -u -r61e489a64fd46325ed8b232df23b9ee923ca9217 -rc7635c799ff2f813f801a4a331e9cbd8da755967
--- 3rdParty_sources/basiclti-util/readme by LAMS.txt	(.../readme by LAMS.txt)	(revision 61e489a64fd46325ed8b232df23b9ee923ca9217)
+++ 3rdParty_sources/basiclti-util/readme by LAMS.txt	(.../readme by LAMS.txt)	(revision c7635c799ff2f813f801a4a331e9cbd8da755967)
@@ -1,6 +1,6 @@
-LAMS notice:
-----
-It has been modified by LAMS.
+The following bits were modified by LAMS.
 
 * LDEV-4221: Some of the integrations complain about outcome call request format (when LAMS is used as LTI Tool Provider)
-Which required changes to be done for org.imsglobal.pox.IMSPOXRequest.java
\ No newline at end of file
+Which required changes to be done for org.imsglobal.pox.IMSPOXRequest.java
+
+* LDEV-4589: Added a few valid parameter names
\ No newline at end of file
Index: 3rdParty_sources/basiclti-util/src/main/java/org/imsglobal/lti/BasicLTIConstants.java
===================================================================
diff -u -r61e489a64fd46325ed8b232df23b9ee923ca9217 -rc7635c799ff2f813f801a4a331e9cbd8da755967
--- 3rdParty_sources/basiclti-util/src/main/java/org/imsglobal/lti/BasicLTIConstants.java	(.../BasicLTIConstants.java)	(revision 61e489a64fd46325ed8b232df23b9ee923ca9217)
+++ 3rdParty_sources/basiclti-util/src/main/java/org/imsglobal/lti/BasicLTIConstants.java	(.../BasicLTIConstants.java)	(revision c7635c799ff2f813f801a4a331e9cbd8da755967)
@@ -410,6 +410,11 @@
 	 * This parameter is optional and is unique to the Sakai Basic LTI provider.
 	 */
 	public static final String EXT_SAKAI_PROVIDER_DISPLAYID = "ext_sakai_provider_displayid";
+	
+	//**LAMS** added the next 3 lines
+	public static final String CONTENT_ITEMS = "content_items";
+	public static final String LTI_MESSAGE = "lti_msg";
+	public static final String LTI_ERROR_MESSAGE = "lti_errormsg";
 
 	/**
 	 * Utility array useful for validating property names when building launch
@@ -432,7 +437,7 @@
 		TC_PROFILE_URL,
 		TOOL_CONSUMER_INSTANCE_CONTACT_EMAIL, TOOL_CONSUMER_INSTANCE_DESCRIPTION,
 		TOOL_CONSUMER_INSTANCE_GUID, TOOL_CONSUMER_INSTANCE_NAME,
-		TOOL_CONSUMER_INSTANCE_URL, USER_ID, USER_IMAGE };
+		TOOL_CONSUMER_INSTANCE_URL, USER_ID, USER_IMAGE, CONTENT_ITEMS, LTI_MESSAGE, LTI_ERROR_MESSAGE }; //**LAMS** added CONTENT_ITEMS, LTI_MESSAGE, LTI_ERROR_MESSAGE constants
 
 	/**
 	 * The default site type to use if a site needs to be created. Can be overriden in sakai.properties or as part of the launch.
Index: lams_build/lib/basiclti-util/basiclti-util-1.2.0.jar
===================================================================
diff -u -rc0c6aff4c59e7d129bc24ec3b02cf9d0d54655b8 -rc7635c799ff2f813f801a4a331e9cbd8da755967
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