Building extensions #10: Fetch customized user inputs, store them globally at the app level, and access them across entities

Building extensions #10: Fetch customized user inputs, store them globally at the app level, and access them across entities

This data storage concept enables you to store data related to your extension for both entity properties and extension properties.

In our previous piece, we looked at how to store data for entities using entity properties. In this post, we'll look at an example of using extension properties effectively. Extension properties enable you to record data for an app in its entirety. Refer to this article on the limitations of extension properties for additional details.

Scenario

Let's say that as a developer you want to gather feedback/reviews through your extension. In general, reviews and feedback help you gain insights into users' perspectives.

When designing a review/feedback template, using a standard question with predefined options will restrict the feedback/review process to certain specific standards/requirements. However, your clients may use Zoho Projects to manage a variety of businesses, each with its own set of processes tailored to the needs of that company.

What can you do to standardize and streamline this process for all clients?
It would be beneficial to create a standard feedback/review template for your customers and then enable them to customize the question and its options to meet their own company feedback requirements.

Goal: Create a generic feedback/review template that enables clients to provide their personalized inputs to customize the review/feedback question per their company needs.

Solution

To accomplish this goal, we'll incorporate both entity and app data storage—as well as a few other capabilities—into our extension. Let's look at the features and steps we'll be taking to develop this example.
  • First, we must gather the question and options that the user wants for their feedback/review form. To accomplish this, we can create a bottom navigation bar widget called "Feedback or Review template settings" that enables the user to provide their personalized feedback/review question along with its options as input. We can accomplish this using the widgets approach explained earlier in this post.
  • Next, we must save the values the user provides for the question and options. We can accomplish this by using the data storage extension properties, which will store the data and make it available across the app/extension. (Now that we have the values stored for the entire extension/app, we can retrieve the data and access it across the necessary entities.)
  • In our example, we want to collect feedback/reviews from users for the tasks and issues entities. For this, we can create a widget called "Feedback or Review" in the details page of the task and issue entities, respectively.
  • In this widget, we must populate the question with the options the user previously provided as part of the "Feedback or Review template settings" widget. We can accomplish this by retrieving the previously saved details and displaying them in the relevant entities (tasks and issues, in our example).
  • Once we've displayed the question and options to the user, they can select an option to provide feedback or a review for the entity they're working on.
  • Furthermore, we can save the user's option selection and associate it with the entity. This will enable us to display the previously selected option for that question each time the user accesses the "Feedback or Review" widget, which we can accomplish using the data storage-entity properties concept.
Required components
  • An extension configuration process includes the following:
    • Creating an extension.
    • Configuring the plugin manifest.
    • Setting up the widget code.
  • Bottom navigation bar widget (top_band): Enables the user to input their customized values for the feedback/review template's question and its options.
  • Task details tab widget (task_tab)/Issue details tab (issue_tab): Enables us to fetch and display the value the user enters for the feedback/review template in the respective entities.
Let's explore these components now.

Extension configuration

Extension creation: We've created a new extension for Zoho Projects. Learn more about the steps to create an extension.
                                                                  

Plugin-manifest.json configuration: Once we created the extension, we configured the plugin-manifest.json file to include the widgets. For a more detailed understanding of how to configure the plugin-manifest.json file, refer to our earlier post.

For our extension use case, the plugin-manifest.json file is configured as shown in the screenshot below.

Note: We'll have to set the storage key to true in order for storage space to be allocated in the Zoho Projects product for this extension. By default, the value will be false.
                                                

Setting up the widget code

Now that we've set up the other components, let's move on to writing our widget code and incorporating the data storage feature.

Feedback or Review template settings widget (Bottom navigation bar - top_band) - Enables us to gather personalized user input for the feedback/review template. Please find the index.html code snippet attached in the post.
  • In the code snippet above for the bottom navigation bar widget, the user is presented with two text boxes: one for entering their customized question for feedback/review and the other for entering their customized options, each separated by a comma.
➤ The app.store method in the extension properties is used to store this data against the extension in the form of key-value pairs.
➤ The values for the question and options are constructed as a JSON object and then stored against the key "storedappvalue" using the app.store method.
Note: For user-entered options separated by a comma, these options are converted to an array using the split() method, with the comma serving as the criteria, and then stored against the key.
➤ Finally, when the values are successfully stored after clicking the Add button, the zohoprojects.invoke method is used, and the user is notified with the alert "Data added".
  • Additionally, every time this widget loads, the data stored at the app level in the key "storedappvalue" is obtained using the app.retrieve method.
  • From this retrieved value, any previously stored data against the key "storedappvalue" is removed using the app.remove method.
  • This is done because whenever a user wishes to change their feedback/review question and options, the new data will be added and stored against the key as well. Since we require the newly entered values to be displayed as part of our "Feedback or Review" widget in the tasks and issues entities, the previously stored data is removed, and the new values entered are stored against the key upon clicking on the Add button.

Feedback or Review widget (task details tab - task_tab) - Displays the feedback question and options and enables the user to provide feedback for the entity they're working on. Please find the Taskfeedback.html code snippet attached in the post.
  • In the code snippet above—for task/issue details tab—we're first retrieving the value stored against the extension (in the bottom-band navigation bar) by invoking the app.retrieve method using the key "storedappvalue".
  • From this retrieved value, we fetch the question and its options. The options for the question are displayed in the widget in radio button format, which enables the user to choose one option for the feedback/review question.
  • Once the user chooses an option and clicks the Save button, the data is saved using the entity properties in data storage feature.
➤ Here, the selected review option (selectedreview) value and its index position (selectedoptionnumber) in the radio button element are stored using the entity.store method. We use entity storage here since this value chosen is specific to the entity the user is working on.
  • Every time the widget loads, the chosen value stored using the entity.store method is retrieved using the entity.retrieve method and checked against the radio element options. This allows the chosen value to be enabled and displayed to the user every time the widget loads.
We can use the same snippet across the issue entity as well.

Now that we've completed the setup for both the widgets and have all the extension components ready, let's go ahead and see the output.

Sample output:
                                                

This example demonstrates how to efficiently use data storage for extension properties. The data stored against an extension/app can be retrieved across multiple entities to perform logical functions. Additionally, in this example, we also witnessed code reusability across multiple entities. You may enhance this example by incorporating more than one feedback/review question.

In this way, you can use extension properties to store data across an extension/app. We hope you found this information useful. Follow this space for more insights!

Sign up for a Zoho Developer account and start developing extensions for Zoho Projects using Sigma.

SEE ALSO



    • Recent Topics

    • Free Webinar - AI for email: Helpful or Hype?

      Hello, Zoho Mail community! 👋 We're kicking things off with a webinar you won't want to miss—and yes, we're going there: Is AI in email actually useful, or is it all hype? In this session, two of our experts will have an open, no-fluff conversation about

    • Balancing access, security, and productivity with Email Policy

      An organization typically includes multiple user groups, such as leadership, sales, and support, each with different email usage patterns and security needs. Administrators must balance flexibility and control, thereby ensuring email usage aligns with

    • Is it possible to update multiple work items at once?

      Hi, Is it possible to update the statuses/release tags of multiple work items at once? I came across this thread that says it's not possible at the moment, but it was related to the Sprints mobile app. Does this feature not exist in the website as well?

    • See Every IM Conversation as It Happens

      Instant messaging moves fast. Customers expect quick replies and smooth conversations across WhatsApp, Instagram, Facebook, and live chat. But without real-time visibility, small issues become big problems. A session stays open longer than expected. A

    • Release Notes | January 2026

      We have rolled out a set of powerful new enhancements across Zoho Vertical Studio that bring several long-awaited capabilities to your applications. These updates focus on deeper customization, smarter automation, better reporting, and improved usability

    • Product Request: Send email to Secondary email

      Guys, we should be able to send the campaign to the secondary email too.  Is this on the plans for Zoho Campaign? It looks like I can map the secondary email from the CRM to the Campaigs, but can not send the message.  

    • Franchise

      Is there a solution of how to organize global franchise organisations?

    • Recording overpayment?

      So a customer just overpaid me and how do I record this? I can't enter an amount that is higher than the invoice amount. Eg. Invoice is $195 and he sent $200. He's a reccuring customer so is there a way to record so that he has a $5 advance for future invoice?

    • Holidays

      Hi; For defining Holidays, you need to add logic to handle the year as well as the month & day. We need to be able to enter Holidays for the next year. I need to add a holiday for January 2, 2017, but I can't until January 1st, which is a Sunday and we

    • Composite Product (kit) - Dynamic Pricing

      I am setting up Composite Products for item kits that I sell. I also sell the items from the kit individually. Problem is when pricing changes on an individual part, the Composite Product price does not change meaning when the cost of item # 2 in the

    • Urgent: Slow Loading Issue on Zoho Commerce Website

      Dear Zoho Support Team, I am experiencing slow loading times on my Zoho Commerce website, which is affecting its performance and user experience. The issue persists across different devices and networks. Could you please investigate this matter and provide

    • Need help with importing expenses

      I'm using the template downloaded from the application. When I try to import my expenses, I get the message: Duplicate entry in the Expense Date column. Ensure it contains unique values. None of the rows will import. There are duplicate dates, but they

    • Search not working!

      I have items in my notebook tagged but when I search for a tag nothing comes up! Any fix for this?

    • ERROR CODE :550 - 550 5.1.1 Invalid email recipients

      This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. mustafa.ashraf@techlink-eg.net, ERROR CODE :550 - 550 5.1.1 Invalid email recipients

    • What's New in Zoho POS - February 2026

      Hello everyone, Welcome to Zoho POS’s monthly updates, where we share our latest feature updates, enhancements, events, and more. Let’s take a look at how February went. Purchase and sell items on different units We have introduced a unit conversion functionality

    • Can i integrate bigin with google voice?

       I make all my calling through google voice to seprate my personal line from business. I want to log my calls with customers automatically but i domt see anywhere where i can do that. Any help? Im pretty sure i wont be able to. Sad

    • POP/SMTP access authentication failed

      I am unable to log setup outlook for my zoho mail account. I am using these settings poppro.zoho.com port 995 SSL smtp.zoho.com port 587(tls)/465(ssl) username/password works on mail.zoho.com but not with POP access. Can you help?

    • Our Review Of Zoho CRM after 60 Days

      The purpose of this is to just share with Zoho why I love their product, but ultimately why I could not choose Zoho CRM for our next CRM. About two months ago we begun a CRM exploration process for our financial planning firm, based in Texas. We already

    • Error AS101 when adding new email alias

      Hi, I am trying to add apple@(mydomain).com The error AS101 is shown while I try to add the alias.

    • This domain is not allowed to add. Please contact support-as@zohocorp.com for further details

      I am trying to setup the free version of Zoho Mail. When I tried to add my domain, theselfreunion.com I got the error message that is the subject of this Topic. I've read your other community forum topics, and this is NOT a free domain. So what is the

    • Allow Admin to Configure Report > More Options Button

      As an Admin, I want to configure the options of the Report > More Options button to improve UX and reduce Developer overhead. See attached screenshot. Original question posted here: https://help.zoho.com/portal/en/community/topic/modify-standard-rep

    • Generate a link for Zoho Sign we can copy and use in a separate email

      Please consider adding functionality that would all a user to copy a reminder link so that we can include it in a personalized email instead of sending a Zoho reminder. Or, allow us to customize the reminder email. Use Case: We have clients we need to

    • You cannot send this campaign as there is no contact in the selected mailing list.

      We have synced contact lists and sent campaigns just fine prior to today.  Now no matter what list I upload when I go to send the campaign it gives an error "You cannot send this campaign as there is no contact in the selected mailing list." And now it

    • Pivot Report Formula - using a today() variable

      Is it possible for me to use a value of today() in a formula on a pivot table? I'm trying to identify where the end date of a project is greater than the current date if("10. Projects (Zoho Projects).End Date" > today(), 'Yes', 'No') I get the error that

    • Cannot connect IMAP to outlook

      Hello I have followed the instructions to connect my zoho account to Outlook IMAP but get this message: Session Id: bba118fb-151c-824f-9512-3ad1e91b109d Timestamp: 1708976566964 Error code: INVALIDCREDENTIALS INTERACTIONREQUIRED I'm using the exact configeration

    • Department Overview by Modified Time

      We are trying to create visuals to show the work our agents do in Zoho Desk. Using Zoho Analytics how can we create a Department Overview per modified time and not ticket created time? In order for us to get an accurate view of the work our agents are

    • Enhance Sign CRM integration

      Hello all, I'm working on a custom Deluge script to enhance the integration between Zoho CRM and Sign by using a writer merge template for additional flexibility. I want to replicate the post-sign document integration that exists between CRM and Sign

    • Zoho Workdrive download was block by security software

      Hi Team, Recently workdrive download was blocked by huorong security. Could you please advise how to put zoho workdrive as white list? every time we put "*.zohoexternal.com" or "workdrive.zohoexternal.com", the warning msg will still pop in next dow

    • Choosing a portal option and the "Unified customer portal"?

      I am trialling Zoho to replace various existing systems, one of which is a customer portal. Our portal allows clients to add and edit bookings, complete forms, manage their subscriptions and edit some CRM info. I am trying to understand how I might best

    • General feedback

      I think Zoho is at the moment (potentially) the best, or perhaps the only, real online solution, for business, and not just business. Surely the only one that has all the features that I need (and I've probably tried everything, at least all that has a cost-free option). It has still got lots of bugs and imperfect features, so I do hope it keeps developing and becomes a really professional platform. Lots of people (including me) want to use such one platform for all scheduling/mail/note-taking...

    • How to add SSL to Short URL custom domain?

      Hi, I've added a custom domain the the URL Shortener Domains. It's creating the short URL fine, but when clicking through, firstly I get an SSL warning, then a 400 Bad Request warning.

    • Single Portal for Multiple Apps

      Hello, I'm just getting started with Zoho and I'm very overwhelmed. I am currently using the free trial of Zoho One, but if I can figure it out, I intend to upgrade to the paid version. Zoho One, of course, gives me  access to an entire suite of services/applications. One of the things I'd like to do is have a single place for clients (customers?) to log in and view current projects, invoices, contact information, etc. A single login for my clients. A single portal. I've come across documentation

    • Antispam validation failed for your domain in Accounts

      I tried adding a domain to zeptomail.zoho.com, but the “add domain” operation failed. The front‑end error reads: “Domain could not be added. Please contact support@zeptomail.com.” The back‑end API returned: ``` { "error": { "code": "TM_3601", "details":

    • 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

    • Cancelled appointments still block out timeslot

      I haven't had to test this before, but I've just found a problem. I had an appointment in a certain timeslot, and that appointment was cancelled. However, Bookings won't let another appointment be booked in that slot - it makes that time unavailable until

    • Preventing Group Emails From Being Sent to Group Member Personal Mail

      We have a group setup for a public facing email address. We have streams turned on for this group. Right now when an email is sent to this group email it hits the group stream and also sends a copy of the email to all group members. We'd like to disable

    • Unusual activity detected from this IP. Please try again after some time.

      Hello Zoho admin and IT team We are a registered website in Eloctronic services and we been trying to add our users to the zoho system but this issue faced us ,, hope you unlocked us please.

    • ¿Puedo migrar mi sitio desde WordPress a Zoho? ¿Zoho admite herramientas con código personalizado?

      ¡Hola comunidad! Estoy evaluando la posibilidad de migrar mi sitio web https://calculadoradenotas.cl/ desde WordPress a una solución Zoho, y tengo algunas dudas técnicas que espero puedan aclararme. Mi sitio no es solo informativo: es una herramienta

    • How do I link my invoice to an estimate?

      There has been instances where I have created estimates, however, invoices for the same estimate were created independently. The status of these estimates hasn't converted to 'invoiced'. 

    • Zoho Books (and other finance suite apps) - Retrospective Linking of Invoice and Sales Orders to Quotes.

      In some cases, Quotes and Invoies may be created sperately instead of using the convert feature. In this feature request I am asking for the Finance Suite team to consider adding a lookup field to reference the quote on Invoices and Sales Orders, or some

    • Next Page