diff --git a/api/v3/apps-script-client/helpers.js b/api/v3/apps-script-client/helpers.js
new file mode 100644
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+++ b/api/v3/apps-script-client/helpers.js
@@ -0,0 +1,82 @@
+// Copyright 2020 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/* eslint-disable no-unused-vars */
+
+/**
+ * Returns the user's resource name.
+ * @param {string|number} user The user's email or user_id
+ * @return {string}
+ */
+function computeUserName(user) {
+  return `users/${user}`;
+}
+
+/**
+ * Returns the users' resource names.
+ * @param {Array<string|number>} users Array of user emails/user_ids.
+ * @return {Array<string>}
+ */
+function computeUserNames(users) {
+  const userNames = [];
+  users.forEach((user) => {
+    userNames.push(computeUserName(user));
+  });
+  return userNames;
+}
+
+
+/**
+ * Returns the issue's resource name.
+ * @param {string} project The name of the project the issue belongs to,
+ *     e.g. 'chromium'.
+ * @param {number} id The issue's id.
+ * @return {string}
+ */
+function computeIssueName(project, id) {
+  return `projects/${project}/issues/${id}`;
+}
+
+/**
+ * Returns the project's resource name.
+ * @param {string} project The display name of the project, e.g. 'chromium'.
+ * @return {string}
+ */
+function computeProjectName(project) {
+  return `projects/${project}`;
+}
+
+/**
+ * Returns the projects' resource names in the same order.
+ * @param {Array<string>} projects The display names of the projects,
+ *     e.g. 'chromium'.
+ * @return {Array<string>}
+ */
+function computeProjectNames(projects) {
+  const projectNames = [];
+  projects.forEach((project) => {
+    projectNames.push(computeProjectName(project));
+  });
+  return projectNames;
+}
+
+/**
+ * Returns the FieldDef's resource name.
+ * @param {string} project The display name of the project, e.g. 'chromium'.
+ * @param {number} fieldId ID of the FieldDef.
+ * @return {string}
+ */
+function computeFieldDefName(project, fieldId) {
+  return `projects/${project}/fieldDefs/${fieldId}`;
+}
+
+/**
+ * Returns the ComponentDef's resource name.
+ * @param {string} project The display name of the project, e.g. 'chromium'.
+ * @param {number|string} componentIdOrPath ID or value of the ComponentDef.
+ * @return {string}
+*/
+function computeComponentDefName(project, componentIdOrPath) {
+  return `projects/${project}/componentDefs/${componentIdOrPath}`;
+}