CodeX Scripts for Enforcing Custom Project Logic

Every organization has a defined way of executing projects. There are clear expectations around how tasks should move, when projects should progress, and which actions require validation. When these rules are consistently followed, projects remain structured and predictable.

CodeX Scripts in Zoho Projects brings that structure directly within your projects.

CodeX Script allow users to define custom logic that runs automatically when a task or project is created, updated, or deleted. Users can validate conditions, block actions, or trigger logic based on how the process is designed.

Let’s walk through an example.

In a manufacturing quality control process, every production batch report must be validated before it is approved. One of the key tasks in the QC project is "Validate batch records and test reports." This task acts as a formal approval checkpoint.

The goal is simple:

When batch reports are rejected, they must go through proper verification before the process can move forward.

Here’s how CodeX Scripts help enforce this, supported by other Zoho Projects features:

Step 1: Create a project template  

Create a Project Template to ensure every Manufacturing QC project starts with a consistent task structure.

Step 2: Create a Custom Function to associate in the Blueprint in the next step

Create a Custom Function to associate with the After transition for Rejected status to ensure whenever a task is marked as Rejected, the verification task is automatically created and linked as a predecessor.

The deluge code used in the case is attached below.

Step 3: Create a Blueprint for Approvals

Design a Blueprint with the task layout used for QC validation tasks, the project name and tag "validation required" as the criteria. When the task is rejected, a Custom Function is triggered and it creates a new task called “Verify Batch Reports” and links it as a predecessor.

The following status and transitions are used in the blueprint:

From Status  - Transition - To Status

1. Open - Process batch reports - In progress
   
2. In progress - Send for approval - In Review
   
3. In Review - Approved - Closed
   
4. In Review - Not approved - Rejected
   
5. Rejected - Send for approval (rework) - In Review.
   

Step 4: Enforce the Rule Using CodeX Script

Now comes the critical enforcement layer.

Create a CodeX Script to check whether the predecessor task (“Verify Batch Reports”) is still in an open-type status. If it is, the system blocks any updates to the validation task. The CodeX Script used in the case is attached below.

This ensures that the approval checkpoint cannot be bypassed. Only after the verification task is marked Closed, the CodeX Script allow updates to continue.

This structured approach can be applied to any approval-driven checkpoint such as finance reviews, compliance sign-offs, production clearances, or release validations. Wherever a task must wait for another to complete, CodeX script ensures the rule is respected.

We hope you find this post useful. If you have any questions, please contact support@zohoprojects.com.

Share your business scenarios in the comments, and we will help you structure and enforce them using CodeX Scripts.

• Topic Participants

• Navya Nune

  

• Sticky Posts

• Automation Series: Auto-assign Task Followers

  As task progresses, several users are required to stay aware of the updates to plan their upcoming work items efficiently. Manually adding users as followers for an active task might create additional overhead. With this automation, followers can be added

• WhatsApp Business Integration for Zoho Projects

  Delivery channel plays a decisive role in how quickly certain project updates translate into immediate actions. A release is ready to go live. An issue is marked critical. An approval is pending. These moments are less about tracking and more about timely

• Enhanced Collaboration and Global Web Tabs

  Hello Users, We are rolling out two key enhancements in Zoho Projects that will be part of our November release. Here’s what to expect: 1. Collaboration Section in the Left Navigation Panel What’s new? All communication and interactive tools will be grouped

• Choosing the Right Automation in Zoho Projects

  In any project, different types of actions are needed at different points. Some projects require control on how tasks move, some require reacting to updates, and some require executing additional actions beyond the task. Automation in Zoho Projects is

• Introducing Version-3 APIs - Explore New APIs & Enhancements

  New Update - The end of life timeline for V2 APIs has now been extended to 30th June, 2026 Happy to announce the release of Version 3 (V3) APIs with an easy to use interface, new APIs, and more examples to help you understand and access the APIs better.

• Recent Topics

• How to show product cards in your chatbot

  Hey everyone, If you are using Guided Conversations to help customers find products, you have probably run into this problem: the bot gives customers a list of options, but they still have no idea which one to pick. There will be no images, no specs,

• "Make online" not clearing previously downloaded files from disk

  I downloaded a large folder via "Make offline" so I could copy it to another location. This worked. When I was done I hoped that "Make online" would restore it to the previous state where those files are not stored locally in TrueSync. This did not work—Finder

• Importing Tasks

  Few suggestions that would make creating project templates more efficient.   1. Having the ability to import tasks from a spreadsheet within the Project Template Task section.  You can do this when creating a "new project." 2. When importing Tasks from a spreadsheet, to be able to associate a milestone to a tasklist, just as I can associate a tasklist to a task.  This would alleviate a very tedious, time consuming process. 3. Another feature that would be very helpful is rather than a start and end

• GSTIN Public Search API

  Does zohobooks have an api using which i can search GST numbers and get their details?

• Zoho Books | Product updates | April 2026

  Hello users, Welcome to our April 2026 product updates roundup! Highlights include profit margin for sales transactions, insights in reports, recording deposits from undeposited funds in banking, and faster production workflows with improved assembly

• Deleted User Emails

  I need to delete a user as I need to re-use their license, but I'd like to keep all their emails that are attached to various contacts in the CRM. Their emails are hosted externally on an M365 license. Anyone any idea how best to engineer this? TIA

• Quotes Module - import data

  Hello Zoho, is it possible to import Quotes records? I was trying and i have no results. Raport shows no data imported. Could you help me please how to do it?

• Spell Check Red Underlines Keep Appearing Even After Disabling

  Hello Zoho Support, I'm facing an issue in Zoho Writer where red spell-check underlines keep appearing even after I disable Spell Check. I have already: Turned OFF Spelling Errors Turned OFF Grammar Turned OFF Writing Quality Turned OFF browser spell

• Its 2022, can our customers log into CRM on their mobiles? Zoho Response: Maybe Later

  I am a long time Zoho CRM user. I have just started using the client portal feature. On the plus side I have found it very fast and very easy (for someone used to the CRM config) to set up a subset of module views that make a potentially extremely useful

• Truco del mes: Zoho Desk - Cómo mostrar tarjetas de producto en tu chatbot

  ¡Hola a todos! Si utilizas Conversaciones Guiadas (Guided Conversations) en Zoho Desk para ayudar a los clientes a encontrar productos, probablemente te hayas encontrado con este problema: el bot ofrece una lista de opciones, pero los clientes siguen

• Cliq iOS can't see shared screen

  Hello, I had this morning a video call with a colleague. She is using Cliq Desktop MacOS and wanted to share her screen with me. I'm on iPad. I noticed, while she shared her screen, I could only see her video, but not the shared screen... Does Cliq iOS is able to display shared screen, or is it somewhere else to be found ? Regards

• Retail Payment Receipt

  Hi, So "payment receipts" have a "Retail" template for thermal printers, but the template is configured at A4 paper size!!! How is this retail guys? On the other hand, Invoices have 3 Retail templates which have 3 and 4 inch paper size, perfectly fitting

• Assign default Location + warehouse to Customer / Vendor

  Hello there. With the introduction of Locations I'm having to enter the warehouse for every single transaction which is getting really tiring and causes errors (easy to fix, but still). Does anybody know if there's a way to assign a default Location and

• SalesIQ : Allow Operators to Manually Set Company Names in Visitor Info

  Hi SalesIQ Team. We have identified an issue where the Company name displayed in Visitor Info is sometimes incorrect or not displayed at all. Currently, there is no way for operators to manually edit or specify the company a visitor belongs to. I understand

• How to charge Convenience fee OR payment gateway charges to the end client who is paying the invoice?

  Hello, I am creating this topic after having discussions with various sets of users and have understood that with people moving more and more to digital payments, it is important for the client to enable the "Convenience fee" kind of scenario. I have

• 404 error at checkout

  Our customers are getting a 404 error at checkout. Anyone else with the same problem?

• Enhancement in Zoho CRM: Introducing New Return Types for String Fields Based on Character Length

  Dear Customers, We hope you’re well! In Zoho CRM, formula field with string return type is used in various scenarios where text is involved like concatenating customers’ first and last names, trimming characters from texts, performing find and replace

• BUG and HANGUP - Add Row with Fields DOUBLES the amount of rows instead of Adding Just 1 Row

  As it says in the title, there is a bug with forms generated with Zoho Writer where the Add Row With Fields ends up DOUBLING the amount of rows instead of Adding just 1 row.

• Import and Export of website.

  Hi, i have raised this ticket regarding challenges i am facing while importing a website on zoho sites. I have created my website on Squarespace and now i want to move it to zoho sites so i want to know what i am supposed to do whats the correct step

• Approval Escalation based on time.

  How can I configure a multi-approval in Zoho creator. I want to have 2 approvers, say team lead and line manager. I want prices less than 50 to go to the team lead, otherwise they should to the line manager. Also if the price is 50 but the team lead takes

• Zoho Analytics "Esc" key problem

  I frequently use the Escape (Esc) key while building dashboards, reports, and writing SQL queries. Since the recent updates to Zoho Analytics, the Esc key no longer behaves as expected. When writing SQL queries, pressing Esc to dismiss a suggestion now

• Client Script | Update - Client Script Support For Custom Buttons

  Hello everyone! We are excited to announce one of the most requested features - Client Script support for Custom Buttons. This enhancement lets you run custom logic on button actions, giving you greater flexibility and control over your user interactions.

• All new Address Field in Zoho CRM: maintain structured and accurate address inputs

  Availability Update: 29 September 2025: It's currently available for all new sign-ups and for existing Zoho CRM orgs which are in the Professional edition exclusively for IN DC users. 2 March 2026: Available to users in all DCs except US and EU DC. 24

• Error when subscribing to any iCal feed in Group Calendar

  When I try to add any iCal URL via Settings → Calendar → Calendars → Group Calendars → Manage → Subscribed by Group, Zoho pops up an ‘Internal Server Error’ and nothing is added in the ‘Subscribed by Group’ list. But - the feed then appears under my personal

• Record Limit on Report

  I have set up a report that I'm putting on a "page". I have filters set up to only show the records with deadlines in the next 45 days. But I only want the report to show the first 3 records (and if possible have a pagination option at the bottom to access

• Problem with the blueprint flow.

  Scenario: 3 departments in a single environment: A-B-C agents from department 1 D-E-F agents from department 2 G-H agents from department 3 Since we've been using Zohodesk (2023), agents can assign tickets to the correct department using the blueprint

• Zoho ERP | Product updates | June 2026

  Hello users, We launched Zoho ERP on January 23, and since then, our goal has been to help businesses streamline and manage their operations with greater efficiency, flexibility, and control. Since the launch, we've continued to enhance the platform every

• Kaizen #125 Manipulating Multi-Select Lookup fields (MxN) using Zoho CRM APIs

  Hello everyone! Welcome back to another week of Kaizen. In last week's post in the Kaizen series, we discussed how subforms work in Zoho CRM and how to manipulate subform data using Zoho CRM APIs. In this post, we will discuss how to manipulate a multi-select

• Zoho CRM upload files error

  Since today, we have been experiencing issues with uploading photos to opportunities. The message indicates that the storage is full, but as far as I can see, there is still plenty of space available. Could there be an issue or a bug?

• Mise à jour de Zoho Books – France

  Chers clients, Merci pour votre patience et votre soutien continu. Avec les évolutions réglementaires à venir en France nous introduisons de nouvelles fonctionnalités dans Zoho Books pour les clients français. Ces mises à jour ont été conçues pour répondre

• Please Make Zoho CRM Cadences Flexible: Allow Inserting and Reordering Follow-Up Steps

  Sales processes are not static. We test, learn, and adapt as customers respond differently than expected. Right now, Zoho Cadences do not support inserting a new step between existing follow-ups or changing the type of an existing primary step. If I realize

• WhatsApp Calling Integration via Zoho Desk

  Dear Zoho Desk Team, I would like to request a feature that allows users to call WhatsApp numbers directly via Zoho Desk. This integration would enable sending and receiving calls to and from WhatsApp numbers over the internet, without the need for traditional

• Introducing Custom Columns in Forecasts in Zoho CRM

  Hello all, Forecasts in Zoho CRM help sales representatives, managers, and business stakeholders evaluate performance and plan future sales activities. While standard metrics such as Target, Achieved Amount, and Pipeline Amount provide a baseline view,

• Let's bring Manufacturing Resource Planning (MRP), Material Requirement Planning (MRP), and Production Planning/Management module / feature in Zohobooks

  Let's bring Manufacturing Resource Planning (MRP), Material Requirement Planning (MRP), and Production Planning/Management module / feature in Zohobooks

• Will I see emails sent via campaigns in CRM?

  It would be useful for people to be able to see emails sent via campagins in Zoho CRM is that possible?

• Zoho ZUGs Meetups 2026 en España: Descubriendo nuevas posibilidades con Zoho

  ¡Hola, Español Zoho Community! Hemos celebrado una nueva edición de los Zoho User Groups (ZUGs) en España (Madrid, Barcelona & Valencia), una excelente oportunidad para reunirnos, formarnos y descubrir nuevas formas de sacar más partido a nuestras herramientas

• What is MCP and How Does It Connect to Zoho Invoice?

  If you've ever wished you could just tell your invoicing software what to do, without clicking through menus, pulling up reports manually, or switching tabs every five minutes, that's exactly what the Zoho MCP server is built for. MCP stands for Model

• DYK 7 - Set dependency from Gantt and List view

  Did you know task dependencies in Zoho Projects can be managed across different task views? In a project, multiple teams work together towards the same goal but team members prefer accessing data with different perspectives depending on their responsibilities.

• Goods In Transit

  Hi I was wondering if anyone had any tips or work-around to show goods in transit as a liability? We raise a PO with our supplier in China and when the goods are shipped and are invoiced, hence they are a liability of the business. However I can't convert

• Accounts Payable and receivable

  I'm currently creating my accounts and noticed that I cannot create any more accounts payable or receivable. Is there any way to create more of this accounts and associate them to the default one available?

• Next Page