diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/IGHelper.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/IGHelper.java
index e1a1dcbb7..6e22a43ac 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/IGHelper.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/IGHelper.java
@@ -40,6 +40,7 @@ public class IGHelper {
   public static final String EXT_MAPPING_CSV = ToolingExtensions.EXT_IGP_MAPPING_CSV;
   public static final String EXT_BUNDLE = ToolingExtensions.EXT_IGP_BUNDLE;
   public static final String EXT_RESOURCE_INFO = ToolingExtensions.EXT_IGP_RESOURCE_INFO;
+  public static final String EXT_CONTAINED_RESOURCE_INFO = ToolingExtensions.EXT_IGP_CONTAINED_RESOURCE_INFO;
   public static final String EXT_PRIVATE_BASE = ToolingExtensions.EXT_PRIVATE_BASE;
 
   public static String readStringParameter(ImplementationGuideDefinitionComponent ig, String name) {
diff --git a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/ToolingExtensions.java b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/ToolingExtensions.java
index 9a9c753b4..e9311f488 100644
--- a/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/ToolingExtensions.java
+++ b/org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/utils/ToolingExtensions.java
@@ -166,6 +166,7 @@ public class ToolingExtensions {
   public static final String EXT_IGP_MAPPING_CSV = "http://hl7.org/fhir/StructureDefinition/igpublisher-mapping-csv";
   public static final String EXT_IGP_BUNDLE = "http://hl7.org/fhir/StructureDefinition/igpublisher-bundle";
   public static final String EXT_IGP_RESOURCE_INFO = "http://hl7.org/fhir/tools/StructureDefinition/resource-information";
+  public static final String EXT_IGP_CONTAINED_RESOURCE_INFO = "http://hl7.org/fhir/tools/StructureDefinition/contained-resource-information";
   public static final String EXT_IGP_LOADVERSION = "http://hl7.org/fhir/StructureDefinition/igpublisher-loadversion";
   public static final String EXT_MAX_VALUESET = "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet";
   public static final String EXT_MIN_VALUESET = "http://hl7.org/fhir/StructureDefinition/elementdefinition-minValueSet";