diff --git a/Model/src/main/java/org/gusdb/wdk/core/api/JsonKeys.java b/Model/src/main/java/org/gusdb/wdk/core/api/JsonKeys.java
index b3d1d446cd..cef857d651 100644
--- a/Model/src/main/java/org/gusdb/wdk/core/api/JsonKeys.java
+++ b/Model/src/main/java/org/gusdb/wdk/core/api/JsonKeys.java
@@ -69,6 +69,7 @@ public class JsonKeys {
   public static final String IS_REMOVABLE = "isRemovable";
   public static final String IS_REQUIRED = "isRequired";
   public static final String IS_MULTILINE = "isMultiLine";
+  public static final String IS_NUMBER = "isNumber";
   public static final String IS_PUBLIC = "isPublic";
   public static final String USE_BASKET = "useBasket";
   public static final String SCOPES = "scopes";
diff --git a/Service/src/main/java/org/gusdb/wdk/service/formatter/param/StringParamFormatter.java b/Service/src/main/java/org/gusdb/wdk/service/formatter/param/StringParamFormatter.java
index aeb9074ba1..2b7886ae60 100644
--- a/Service/src/main/java/org/gusdb/wdk/service/formatter/param/StringParamFormatter.java
+++ b/Service/src/main/java/org/gusdb/wdk/service/formatter/param/StringParamFormatter.java
@@ -15,7 +15,10 @@ public class StringParamFormatter extends ParamFormatter<StringParam> {
 
   @Override
   public <S extends ParameterContainerInstanceSpec<S>> JSONObject getJson(DisplayablyValid<S> spec) throws WdkModelException {
-    return getBaseJson(spec).put(JsonKeys.LENGTH, _param.getLength());
+    return getBaseJson(spec)
+      .put(JsonKeys.LENGTH, _param.getLength())
+      .put(JsonKeys.IS_MULTILINE, _param.getMultiLine())
+      .put(JsonKeys.IS_NUMBER, _param.isNumber());
   }
 
   @Override