diff --git a/core/workspace_svg.js b/core/workspace_svg.js
index 4a3adb510..0a2af7229 100644
--- a/core/workspace_svg.js
+++ b/core/workspace_svg.js
@@ -268,6 +268,13 @@ Blockly.WorkspaceSvg.prototype.flyoutButtonCallbacks_ = {};
  */
 Blockly.WorkspaceSvg.prototype.toolboxCategoryCallbacks_ = {};
 
+/**
+ * Developers may define this function to add custom menu options to the
+ * workspace's context menu or edit the workspace-created set of menu options.
+ * @param {!Array.<!Object>} options List of menu options to add to.
+ */
+Blockly.WorkspaceSvg.prototype.configureContextMenu = null;
+
 /**
  * In a flyout, the target workspace where blocks should be placed after a drag.
  * Otherwise null.
@@ -1310,6 +1317,11 @@ Blockly.WorkspaceSvg.prototype.showContextMenu_ = function(e) {
   };
   menuOptions.push(deleteOption);
 
+  // Allow the developer to add or modify menuOptions.
+  if (this.configureContextMenu) {
+    this.configureContextMenu(menuOptions);
+  }
+
   Blockly.ContextMenu.show(e, menuOptions, this.RTL);
 };