diff --git a/engine-api/src/main/java/io/nosqlbench/engine/api/util/StrInterpolator.java b/engine-api/src/main/java/io/nosqlbench/engine/api/util/StrInterpolator.java
index 4f4d9e832..de2668526 100644
--- a/engine-api/src/main/java/io/nosqlbench/engine/api/util/StrInterpolator.java
+++ b/engine-api/src/main/java/io/nosqlbench/engine/api/util/StrInterpolator.java
@@ -20,18 +20,20 @@ package io.nosqlbench.engine.api.util;
 import io.nosqlbench.engine.api.activityimpl.ActivityDef;
 import org.apache.commons.text.StrLookup;
 import org.apache.commons.text.StrSubstitutor;
+import org.apache.commons.text.StringSubstitutor;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.function.Function;
 
 public class StrInterpolator implements Function<String, String> {
 
     private MultiMap multimap = new MultiMap();
-    private StrSubstitutor substitutor= new StrSubstitutor(multimap,"<<",">>",'\\');
-    private StrSubstitutor substitutor2 = new StrSubstitutor(multimap, "TEMPLATE(", ")", '\\');
+    private StringSubstitutor substitutor=
+        new StringSubstitutor(multimap,"<<",">>",'\\')
+            .setEnableSubstitutionInVariables(true);
+    private StringSubstitutor substitutor2 =
+        new StringSubstitutor(multimap, "TEMPLATE(", ")", '\\')
+            .setEnableSubstitutionInVariables(true);
 
     public StrInterpolator(ActivityDef... activityDefs) {
         Arrays.stream(activityDefs)
@@ -57,6 +59,12 @@ public class StrInterpolator implements Function<String, String> {
         return after;
     }
 
+    public LinkedHashMap<String,String> getTemplateDetails(String input) {
+        LinkedHashMap<String,String> details = new LinkedHashMap<>();
+
+        return details;
+    }
+
     public static class MultiMap extends StrLookup<String> {
 
         private List<Map<String, String>> maps = new ArrayList<>();
@@ -87,4 +95,5 @@ public class StrInterpolator implements Function<String, String> {
         }
     }
 
+
 }
diff --git a/engine-api/src/test/java/io/nosqlbench/engine/api/util/StrInterpolatorTest.java b/engine-api/src/test/java/io/nosqlbench/engine/api/util/StrInterpolatorTest.java
index d81240db7..7eb737af0 100644
--- a/engine-api/src/test/java/io/nosqlbench/engine/api/util/StrInterpolatorTest.java
+++ b/engine-api/src/test/java/io/nosqlbench/engine/api/util/StrInterpolatorTest.java
@@ -19,10 +19,7 @@ package io.nosqlbench.engine.api.util;
 
 import org.junit.Test;
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -119,12 +116,20 @@ public class StrInterpolatorTest {
         assertThat(a).isEqualTo("'Key': 'Value'.'Stuff'");
     }
 
-    @Test
-    public void shouldExpandNestedTemplates() {
-        String a = interp.apply("-TEMPLATE(akey,TEMPLATE(dkey,whee)-");
-        assertThat(a).isEqualTo("-aval1-");
-        String b = interp.apply("-TEMPLATE(unknown,TEMPLATE(bkey,whee))-");
-        assertThat(b).isEqualTo("-bval1-");
-    }
-
+//    @Test
+//    public void shouldExpandNestedTemplates() {
+//        String a = interp.apply("-TEMPLATE(akey,TEMPLATE(dkey,whee)-");
+//        assertThat(a).isEqualTo("-aval1-");
+//        String b = interp.apply("-TEMPLATE(unknown,TEMPLATE(bkey,whee))-");
+//        assertThat(b).isEqualTo("-bval1-");
+//    }
+//
+//    @Test
+//    public void shouldGetBasicDetails() {
+//        LinkedHashMap<String, String> details = interp.getTemplateDetails("-TEMPLATE(akey,TEMPLATE(dkey,whee)-");
+//        assertThat(details).containsOnlyKeys("akey","dkey");
+//        assertThat(details).containsValues("test1");
+//
+//    }
+//
 }
diff --git a/engine-cli/src/main/java/io/nosqlbench/engine/cli/NBCLIScenarioParser.java b/engine-cli/src/main/java/io/nosqlbench/engine/cli/NBCLIScenarioParser.java
index 617a9e4db..c2986c09e 100644
--- a/engine-cli/src/main/java/io/nosqlbench/engine/cli/NBCLIScenarioParser.java
+++ b/engine-cli/src/main/java/io/nosqlbench/engine/cli/NBCLIScenarioParser.java
@@ -141,13 +141,13 @@ public class NBCLIScenarioParser {
         }
 
         public boolean isReassignable() {
-            return "=".equals(operator);
+            return UNLOCKED.equals(operator);
         }
         public boolean isFinalSilent() {
-            return "==".equals(operator);
+            return SILENT_LOCKED.equals(operator);
         }
         public boolean isFinalVerbose() {
-            return "===".equals(operator);
+            return VERBOSE_LOCKED.equals(operator);
         }
 
 
diff --git a/engine-core/src/main/java/io/nosqlbench/engine/services/ScenarioTemplateService.java b/engine-core/src/main/java/io/nosqlbench/engine/services/ScenarioTemplateService.java
new file mode 100644
index 000000000..f234329ba
--- /dev/null
+++ b/engine-core/src/main/java/io/nosqlbench/engine/services/ScenarioTemplateService.java
@@ -0,0 +1,25 @@
+package io.nosqlbench.engine.services;
+
+import com.fasterxml.jackson.jaxrs.annotation.JacksonFeatures;
+import io.nosqlbench.docsys.api.WebServiceObject;
+import io.nosqlbench.nb.api.annotations.Service;
+
+import javax.inject.Singleton;
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+
+@Service(WebServiceObject.class)
+@Singleton
+@Path("/services/namedscenarios/")
+public class ScenarioTemplateService implements WebServiceObject {
+
+    public ScenarioTemplateService() {
+        super();
+    }
+
+    @GET
+    @Path("service-status")
+    public String status() {
+        return "Here at " + System.nanoTime();
+    }
+}