diff --git a/modules/es/config/cfe_es_extern_typedefs_eds_adapter.h b/modules/es/config/cfe_es_extern_typedefs_eds_adapter.h
index 9f838b600..186f6abd9 100644
--- a/modules/es/config/cfe_es_extern_typedefs_eds_adapter.h
+++ b/modules/es/config/cfe_es_extern_typedefs_eds_adapter.h
@@ -33,6 +33,10 @@
 #include "cfe_es_eds_typedefs.h"
 
 /* Add adapter typedefs and supplemental macros */
+#define CFE_ES_PERF_TRIGGER_START  CFE_ES_PerfTrigger_START
+#define CFE_ES_PERF_TRIGGER_CENTER CFE_ES_PerfTrigger_CENTER
+#define CFE_ES_PERF_TRIGGER_END    CFE_ES_PerfTrigger_END
+#define CFE_ES_PERF_MAX_MODES      (1 + CFE_ES_PerfTrigger_END)
 
 /**
  * @brief Memory Offset initializer wrapper
diff --git a/modules/es/eds/cfe_es.xml b/modules/es/eds/cfe_es.xml
index f37db2466..1441374e3 100644
--- a/modules/es/eds/cfe_es.xml
+++ b/modules/es/eds/cfe_es.xml
@@ -116,6 +116,15 @@
         </EnumerationList>
       </EnumeratedDataType>
 
+      <EnumeratedDataType name="PerfTrigger" shortDescription="Performance Monitor trigger modes">
+        <IntegerDataEncoding sizeInBits="32" encoding="unsigned" />
+        <EnumerationList>
+          <Enumeration label="START"  value="0" shortDescription="Trigger at start" />
+          <Enumeration label="CENTER" value="1" shortDescription="Trigger at center" />
+          <Enumeration label="END"    value="2" shortDescription="Trigger at end" />
+        </EnumerationList>
+      </EnumeratedDataType>
+
       <ContainerDataType name="AppId" baseType="CFE_RESOURCEID/BaseType" shortDescription="A type for Application IDs">
         <LongDescription>
           This is the type that is used for any API accepting or returning an App ID
@@ -467,7 +476,7 @@
           For command details, see #CFE_ES_PERF_STARTDATA_CC
         </LongDescription>
         <EntryList>
-          <Entry name="TriggerMode" type="BASE_TYPES/uint32" shortDescription="Desired trigger position (Start, Center, End)" />
+          <Entry name="TriggerMode" type="PerfTrigger" shortDescription="Desired trigger position (Start, Center, End)" />
         </EntryList>
       </ContainerDataType>