diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -382,7 +382,7 @@
     'rsrc/js/application/doorkeeper/behavior-doorkeeper-tag.js' => 'e5822781',
     'rsrc/js/application/files/behavior-icon-composer.js' => '8ef9ab58',
     'rsrc/js/application/files/behavior-launch-icon-composer.js' => '48086888',
-    'rsrc/js/application/herald/HeraldRuleEditor.js' => 'b2cae298',
+    'rsrc/js/application/herald/HeraldRuleEditor.js' => '0f85bdfd',
     'rsrc/js/application/herald/PathTypeahead.js' => 'f7fc67ec',
     'rsrc/js/application/herald/herald-rule-editor.js' => '7ebaeed3',
     'rsrc/js/application/maniphest/behavior-batch-editor.js' => '782ab6e7',
@@ -538,7 +538,7 @@
     'global-drag-and-drop-css' => '697324ad',
     'harbormaster-css' => '49d64eb4',
     'herald-css' => '826075fa',
-    'herald-rule-editor' => 'b2cae298',
+    'herald-rule-editor' => '0f85bdfd',
     'herald-test-css' => '778b008e',
     'inline-comment-summary-css' => '51efda3a',
     'javelin-aphlict' => '5359e785',
@@ -918,6 +918,15 @@
       'javelin-install',
       'javelin-util',
     ),
+    '0f85bdfd' => array(
+      'multirow-row-manager',
+      'javelin-install',
+      'javelin-util',
+      'javelin-dom',
+      'javelin-stratcom',
+      'javelin-json',
+      'phabricator-prefab',
+    ),
     '13c739ea' => array(
       'javelin-behavior',
       'javelin-stratcom',
@@ -1676,15 +1685,6 @@
       'javelin-uri',
       'javelin-request',
     ),
-    'b2cae298' => array(
-      'multirow-row-manager',
-      'javelin-install',
-      'javelin-util',
-      'javelin-dom',
-      'javelin-stratcom',
-      'javelin-json',
-      'phabricator-prefab',
-    ),
     'b3a4b884' => array(
       'javelin-behavior',
       'phabricator-prefab',
diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -1018,9 +1018,11 @@
     'HeraldDifferentialRevisionAdapter' => 'applications/differential/herald/HeraldDifferentialRevisionAdapter.php',
     'HeraldDisableController' => 'applications/herald/controller/HeraldDisableController.php',
     'HeraldEffect' => 'applications/herald/engine/HeraldEffect.php',
+    'HeraldEmptyFieldValue' => 'applications/herald/value/HeraldEmptyFieldValue.php',
     'HeraldEngine' => 'applications/herald/engine/HeraldEngine.php',
     'HeraldField' => 'applications/herald/field/HeraldField.php',
     'HeraldFieldTestCase' => 'applications/herald/field/__tests__/HeraldFieldTestCase.php',
+    'HeraldFieldValue' => 'applications/herald/value/HeraldFieldValue.php',
     'HeraldInvalidActionException' => 'applications/herald/engine/exception/HeraldInvalidActionException.php',
     'HeraldInvalidConditionException' => 'applications/herald/engine/exception/HeraldInvalidConditionException.php',
     'HeraldManageGlobalRulesCapability' => 'applications/herald/capability/HeraldManageGlobalRulesCapability.php',
@@ -1050,9 +1052,11 @@
     'HeraldRuleTypeConfig' => 'applications/herald/config/HeraldRuleTypeConfig.php',
     'HeraldRuleViewController' => 'applications/herald/controller/HeraldRuleViewController.php',
     'HeraldSchemaSpec' => 'applications/herald/storage/HeraldSchemaSpec.php',
+    'HeraldSelectFieldValue' => 'applications/herald/value/HeraldSelectFieldValue.php',
     'HeraldSpaceField' => 'applications/spaces/herald/HeraldSpaceField.php',
     'HeraldSubscribersField' => 'applications/subscriptions/herald/HeraldSubscribersField.php',
     'HeraldTestConsoleController' => 'applications/herald/controller/HeraldTestConsoleController.php',
+    'HeraldTextFieldValue' => 'applications/herald/value/HeraldTextFieldValue.php',
     'HeraldTransactionQuery' => 'applications/herald/query/HeraldTransactionQuery.php',
     'HeraldTranscript' => 'applications/herald/storage/transcript/HeraldTranscript.php',
     'HeraldTranscriptController' => 'applications/herald/controller/HeraldTranscriptController.php',
@@ -4615,9 +4619,11 @@
     'HeraldDifferentialRevisionAdapter' => 'HeraldDifferentialAdapter',
     'HeraldDisableController' => 'HeraldController',
     'HeraldEffect' => 'Phobject',
+    'HeraldEmptyFieldValue' => 'HeraldFieldValue',
     'HeraldEngine' => 'Phobject',
     'HeraldField' => 'Phobject',
     'HeraldFieldTestCase' => 'PhutilTestCase',
+    'HeraldFieldValue' => 'Phobject',
     'HeraldInvalidActionException' => 'Exception',
     'HeraldInvalidConditionException' => 'Exception',
     'HeraldManageGlobalRulesCapability' => 'PhabricatorPolicyCapability',
@@ -4653,9 +4659,11 @@
     'HeraldRuleTypeConfig' => 'Phobject',
     'HeraldRuleViewController' => 'HeraldController',
     'HeraldSchemaSpec' => 'PhabricatorConfigSchemaSpec',
+    'HeraldSelectFieldValue' => 'HeraldFieldValue',
     'HeraldSpaceField' => 'HeraldField',
     'HeraldSubscribersField' => 'HeraldField',
     'HeraldTestConsoleController' => 'HeraldController',
+    'HeraldTextFieldValue' => 'HeraldFieldValue',
     'HeraldTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
     'HeraldTranscript' => array(
       'HeraldDAO',
diff --git a/src/applications/herald/controller/HeraldRuleController.php b/src/applications/herald/controller/HeraldRuleController.php
--- a/src/applications/herald/controller/HeraldRuleController.php
+++ b/src/applications/herald/controller/HeraldRuleController.php
@@ -440,6 +440,7 @@
     $config_info['fields'] = $field_map;
     $config_info['conditions'] = $all_conditions;
     $config_info['actions'] = $action_map;
+    $config_info['valueMap'] = array();
 
     foreach ($config_info['fields'] as $field => $name) {
       try {
@@ -452,10 +453,17 @@
 
     foreach ($config_info['fields'] as $field => $fname) {
       foreach ($config_info['conditionMap'][$field] as $condition) {
-        $value_type = $adapter->getValueTypeForFieldAndCondition(
+        $value_key = $adapter->getValueTypeForFieldAndCondition(
           $field,
           $condition);
-        $config_info['values'][$field][$condition] = $value_type;
+
+        if ($value_key instanceof HeraldFieldValue) {
+          $spec = $value_key->getControlSpecificationDictionary();
+          $value_key = $value_key->getFieldValueKey();
+          $config_info['valueMap'][$value_key] = $spec;
+        }
+
+        $config_info['values'][$field][$condition] = $value_key;
       }
     }
 
@@ -482,10 +490,6 @@
         'conditions' => (object)$serial_conditions,
         'actions' => (object)$serial_actions,
         'select' => array(
-          HeraldAdapter::VALUE_CONTENT_SOURCE => array(
-            'options' => PhabricatorContentSource::getSourceNameMap(),
-            'default' => PhabricatorContentSource::SOURCE_WEB,
-          ),
           HeraldAdapter::VALUE_FLAG_COLOR => array(
             'options' => PhabricatorFlagColor::getColorNameMap(),
             'default' => PhabricatorFlagColor::COLOR_BLUE,
@@ -509,10 +513,6 @@
         'template' => $this->buildTokenizerTemplates($handles) + array(
           'rules' => $all_rules,
         ),
-        'author' => array(
-          $rule->getAuthorPHID() =>
-            $handles[$rule->getAuthorPHID()]->getName(),
-        ),
         'info' => $config_info,
       ));
   }
diff --git a/src/applications/herald/field/HeraldContentSourceField.php b/src/applications/herald/field/HeraldContentSourceField.php
--- a/src/applications/herald/field/HeraldContentSourceField.php
+++ b/src/applications/herald/field/HeraldContentSourceField.php
@@ -20,7 +20,13 @@
   }
 
   public function getHeraldFieldValueType($condition) {
-    return HeraldAdapter::VALUE_CONTENT_SOURCE;
+    $map = PhabricatorContentSource::getSourceNameMap();
+    asort($map);
+
+    return id(new HeraldSelectFieldValue())
+      ->setKey(self::FIELDCONST)
+      ->setDefault(PhabricatorContentSource::SOURCE_WEB)
+      ->setOptions($map);
   }
 
   public function supportsObject($object) {
diff --git a/src/applications/herald/field/HeraldField.php b/src/applications/herald/field/HeraldField.php
--- a/src/applications/herald/field/HeraldField.php
+++ b/src/applications/herald/field/HeraldField.php
@@ -86,11 +86,11 @@
     switch ($standard_type) {
       case self::STANDARD_BOOL:
       case self::STANDARD_PHID_BOOL:
-        return HeraldAdapter::VALUE_NONE;
+        return new HeraldEmptyFieldValue();
       case self::STANDARD_TEXT:
       case self::STANDARD_TEXT_LIST:
       case self::STANDARD_TEXT_MAP:
-        return HeraldAdapter::VALUE_TEXT;
+        return new HeraldTextFieldValue();
     }
 
     throw new Exception(
diff --git a/src/applications/herald/value/HeraldEmptyFieldValue.php b/src/applications/herald/value/HeraldEmptyFieldValue.php
new file mode 100644
--- /dev/null
+++ b/src/applications/herald/value/HeraldEmptyFieldValue.php
@@ -0,0 +1,14 @@
+<?php
+
+final class HeraldEmptyFieldValue
+  extends HeraldFieldValue {
+
+  public function getFieldValueKey() {
+    return 'none';
+  }
+
+  public function getControlType() {
+    return self::CONTROL_NONE;
+  }
+
+}
diff --git a/src/applications/herald/value/HeraldFieldValue.php b/src/applications/herald/value/HeraldFieldValue.php
new file mode 100644
--- /dev/null
+++ b/src/applications/herald/value/HeraldFieldValue.php
@@ -0,0 +1,24 @@
+<?php
+
+abstract class HeraldFieldValue extends Phobject {
+
+  const CONTROL_NONE = 'herald.control.none';
+  const CONTROL_TEXT = 'herald.control.text';
+  const CONTROL_SELECT = 'herald.control.select';
+  const CONTROL_TOKENIZER = 'herald.control.tokenizer';
+
+  abstract public function getFieldValueKey();
+  abstract public function getControlType();
+
+  final public function getControlSpecificationDictionary() {
+    return array(
+      'control' => $this->getControlType(),
+      'template' => $this->getControlTemplate(),
+    );
+  }
+
+  protected function getControlTemplate() {
+    return array();
+  }
+
+}
diff --git a/src/applications/herald/value/HeraldSelectFieldValue.php b/src/applications/herald/value/HeraldSelectFieldValue.php
new file mode 100644
--- /dev/null
+++ b/src/applications/herald/value/HeraldSelectFieldValue.php
@@ -0,0 +1,59 @@
+<?php
+
+final class HeraldSelectFieldValue
+  extends HeraldFieldValue {
+
+  private $key;
+  private $options;
+  private $default;
+
+  public function setKey($key) {
+    $this->key = $key;
+    return $this;
+  }
+
+  public function getKey() {
+    return $this->key;
+  }
+
+  public function setOptions(array $options) {
+    $this->options = $options;
+    return $this;
+  }
+
+  public function getOptions() {
+    return $this->options;
+  }
+
+  public function setDefault($default) {
+    $this->default = $default;
+    return $this;
+  }
+
+  public function getDefault() {
+    return $this->default;
+  }
+
+  public function getFieldValueKey() {
+    if ($this->getKey() === null) {
+      throw new PhutilInvalidStateException('setKey');
+    }
+    return 'select.'.$this->getKey();
+  }
+
+  public function getControlType() {
+    return self::CONTROL_SELECT;
+  }
+
+  protected function getControlTemplate() {
+    if ($this->getOptions() === null) {
+      throw new PhutilInvalidStateException('setOptions');
+    }
+
+    return array(
+      'options' => $this->getOptions(),
+      'default' => $this->getDefault(),
+    );
+  }
+
+}
diff --git a/src/applications/herald/value/HeraldTextFieldValue.php b/src/applications/herald/value/HeraldTextFieldValue.php
new file mode 100644
--- /dev/null
+++ b/src/applications/herald/value/HeraldTextFieldValue.php
@@ -0,0 +1,14 @@
+<?php
+
+final class HeraldTextFieldValue
+  extends HeraldFieldValue {
+
+  public function getFieldValueKey() {
+    return 'text';
+  }
+
+  public function getControlType() {
+    return self::CONTROL_TEXT;
+  }
+
+}
diff --git a/webroot/rsrc/js/application/herald/HeraldRuleEditor.js b/webroot/rsrc/js/application/herald/HeraldRuleEditor.js
--- a/webroot/rsrc/js/application/herald/HeraldRuleEditor.js
+++ b/webroot/rsrc/js/application/herald/HeraldRuleEditor.js
@@ -200,7 +200,48 @@
       return node;
     },
 
+    _buildStandardInput: function(spec) {
+      var input;
+      var get_fn;
+      var set_fn;
+      switch (spec.control) {
+        case 'herald.control.none':
+          input = null;
+          get_fn = JX.bag;
+          set_fn = JX.bag;
+          break;
+        case 'herald.control.text':
+          input = JX.$N('input', {type: 'text'});
+          get_fn = function() { return input.value; };
+          set_fn = function(v) { input.value = v; };
+          break;
+        case 'herald.control.select':
+          input = this._renderSelect(spec.template.options);
+          get_fn = function() { return input.value; };
+          set_fn = function(v) { input.value = v; };
+          if (spec.template.default) {
+            set_fn(spec.template.default);
+          }
+          break;
+        case 'herald.control.tokenizer':
+          var tokenizer = this._newTokenizer(spec.template.tokenizer, true);
+          input = tokenizer[0];
+          get_fn = tokenizer[1];
+          set_fn = tokenizer[2];
+          break;
+        default:
+          JX.$E('No rules to build control "' + spec.control + '".');
+          break;
+      }
+
+      return [input, get_fn, set_fn];
+    },
+
     _buildInput : function(type) {
+      if (this._config.info.valueMap[type]) {
+        return this._buildStandardInput(this._config.info.valueMap[type]);
+      }
+
       var input;
       var get_fn;
       var set_fn;
@@ -233,7 +274,6 @@
           get_fn = JX.bag;
           set_fn = JX.bag;
           break;
-        case 'contentsource':
         case 'flagcolor':
         case 'value-ref-type':
         case 'value-ref-change':
@@ -276,14 +316,20 @@
       return node;
     },
 
-    _newTokenizer : function(type) {
-      var tokenizerConfig = {
-        src : this._config.template.source[type].uri,
-        placeholder: this._config.template.source[type].placeholder,
-        browseURI: this._config.template.source[type].browseURI,
-        icons : this._config.template.icons,
-        username : this._config.username
-      };
+    _newTokenizer : function(type, is_config) {
+      var tokenizerConfig;
+
+      if (is_config) {
+        tokenizerConfig = type;
+      } else {
+        tokenizerConfig = {
+          src : this._config.template.source[type].uri,
+          placeholder: this._config.template.source[type].placeholder,
+          browseURI: this._config.template.source[type].browseURI,
+          icons : this._config.template.icons,
+          username : this._config.username
+        };
+      }
 
       var build = JX.Prefab.newTokenizerFromTemplate(
         this._config.template.markup,