diff --git a/src/infrastructure/customfield/editor/PhabricatorCustomFieldEditField.php b/src/infrastructure/customfield/editor/PhabricatorCustomFieldEditField.php
index ffdb157d8e..1153f82a34 100644
--- a/src/infrastructure/customfield/editor/PhabricatorCustomFieldEditField.php
+++ b/src/infrastructure/customfield/editor/PhabricatorCustomFieldEditField.php
@@ -6,6 +6,7 @@ final class PhabricatorCustomFieldEditField
   private $customField;
   private $httpParameterType;
   private $conduitParameterType;
+  private $bulkParameterType;
 
   public function setCustomField(PhabricatorCustomField $custom_field) {
     $this->customField = $custom_field;
@@ -36,6 +37,16 @@ final class PhabricatorCustomFieldEditField
     return $this->conduitParameterType;
   }
 
+  public function setCustomFieldBulkParameterType(
+    BulkParameterType $type) {
+    $this->bulkParameterType = $type;
+    return $this;
+  }
+
+  public function getCustomFieldBulkParameterType() {
+    return $this->bulkParameterType;
+  }
+
   protected function buildControl() {
     if ($this->getIsConduitOnly()) {
       return null;
@@ -51,15 +62,8 @@ final class PhabricatorCustomFieldEditField
   }
 
   protected function newEditType() {
-    $type = id(new PhabricatorCustomFieldEditType())
+    return id(new PhabricatorCustomFieldEditType())
       ->setCustomField($this->getCustomField());
-
-    $conduit_type = $this->newConduitParameterType();
-    if ($conduit_type) {
-      $type->setConduitParameterType($conduit_type);
-    }
-
-    return $type;
   }
 
   public function getValueForTransaction() {
@@ -116,6 +120,16 @@ final class PhabricatorCustomFieldEditField
     return null;
   }
 
+  protected function newBulkParameterType() {
+    $type = $this->getCustomFieldBulkParameterType();
+
+    if ($type) {
+      return clone $type;
+    }
+
+    return null;
+  }
+
   public function getAllReadValueFromRequestKeys() {
     $keys = array();
 
diff --git a/src/infrastructure/customfield/field/PhabricatorCustomField.php b/src/infrastructure/customfield/field/PhabricatorCustomField.php
index f7f4403402..c96f09f369 100644
--- a/src/infrastructure/customfield/field/PhabricatorCustomField.php
+++ b/src/infrastructure/customfield/field/PhabricatorCustomField.php
@@ -1119,6 +1119,11 @@ abstract class PhabricatorCustomField extends Phobject {
       $field->setCustomFieldConduitParameterType($conduit_type);
     }
 
+    $bulk_type = $this->getBulkParameterType();
+    if ($bulk_type) {
+      $field->setCustomFieldBulkParameterType($bulk_type);
+    }
+
     return $field;
   }
 
@@ -1133,16 +1138,38 @@ abstract class PhabricatorCustomField extends Phobject {
       $conduit_only = false;
     }
 
+    $bulk_label = $this->getBulkEditLabel();
+
     return $this->newEditField()
       ->setKey($this->getFieldKey())
       ->setEditTypeKey($this->getModernFieldKey())
       ->setLabel($this->getFieldName())
+      ->setBulkEditLabel($bulk_label)
       ->setDescription($this->getFieldDescription())
       ->setTransactionType($this->getApplicationTransactionType())
       ->setIsConduitOnly($conduit_only)
       ->setValue($this->getNewValueForApplicationTransactions());
   }
 
+  protected function getBulkEditLabel() {
+    if ($this->proxy) {
+      return $this->proxy->getBulkEditLabel();
+    }
+
+    return pht('Set "%s" to', $this->getFieldName());
+  }
+
+  public function getBulkParameterType() {
+    return $this->newBulkParameterType();
+  }
+
+  protected function newBulkParameterType() {
+    if ($this->proxy) {
+      return $this->proxy->newBulkParameterType();
+    }
+    return null;
+  }
+
   protected function getHTTPParameterType() {
     if ($this->proxy) {
       return $this->proxy->getHTTPParameterType();
diff --git a/src/infrastructure/customfield/standard/PhabricatorStandardCustomFieldTokenizer.php b/src/infrastructure/customfield/standard/PhabricatorStandardCustomFieldTokenizer.php
index 9cb19d029d..5c5f422375 100644
--- a/src/infrastructure/customfield/standard/PhabricatorStandardCustomFieldTokenizer.php
+++ b/src/infrastructure/customfield/standard/PhabricatorStandardCustomFieldTokenizer.php
@@ -65,6 +65,13 @@ abstract class PhabricatorStandardCustomFieldTokenizer
     return new ConduitPHIDListParameterType();
   }
 
+  protected function newBulkParameterType() {
+    $datasource = $this->getDatasource();
+
+    return id(new BulkTokenizerParameterType())
+      ->setDatasource($datasource);
+  }
+
   public function shouldAppearInHeraldActions() {
     return true;
   }