← All Scripts

#53 - Update JSON Items With A Form v0.1

Allow your members to change details about their JSON items.

Need help with this MemberScript?

All Memberstack customers can ask for assistance in the 2.0 Slack. Please note that these are not official features and support cannot be guaranteed.

View demo

  document.addEventListener("DOMContentLoaded", function() {
    const memberstack = window.$memberstackDom;

    // Add click event listener to the document
    document.addEventListener("click", async function(event) {
      const target = event.target;

      // Check if the clicked element has ms-code-edit-item attribute
      const editItem = target.closest('[ms-code-edit-item="prompt"]');
      if (editItem) {
        // Get the item key from the closest ancestor element with ms-code-item-key attribute
        const key = editItem.closest('[ms-code-item-key]').getAttribute('ms-code-item-key');

        // Retrieve the current member JSON data
        const member = await memberstack.getMemberJSON();

        let targetObject = member.data.projects; // Update this line with the desired target location

        if (member.data && targetObject && targetObject[key]) {
          // Get the form element with the ms-code-edit-item="form" attribute
          const form = document.querySelector('form[ms-code-edit-item="form"]');

          if (form) {
            // Loop through the form fields
            for (const field of form.elements) {
              const jsonName = field.getAttribute('ms-code-json-name');
              if (jsonName && targetObject[key].hasOwnProperty(jsonName)) {
                // Pre-fill the form field with the corresponding value from the JSON item
                field.value = targetObject[key][jsonName];

            // Get the modal element with the ms-code-edit-item="modal" attribute
            const modal = document.querySelector('[ms-code-edit-item="modal"]');
            if (modal) {
              // Set the display property of the modal to flex
              modal.style.display = 'flex';

            // Add submit event listener to the form
            form.addEventListener("submit", async function(event) {
              event.preventDefault(); // Prevent the form from submitting normally

              // Create an object to hold the updated values
              const updatedValues = {};

              // Loop through the form fields
              for (const field of form.elements) {
                const jsonName = field.getAttribute('ms-code-json-name');
                if (jsonName) {
                  // Update the corresponding value in the updatedValues object
                  updatedValues[jsonName] = field.value;

              // Update the target object with the new values
              targetObject[key] = { ...targetObject[key], ...updatedValues };

              // Update the member JSON using the Memberstack SDK
              await memberstack.updateMemberJSON({
                json: member.data

              // Optional: Display a success message or perform any other desired action
              console.log('Member JSON updated successfully');
          } else {
            console.error('Form element not found');
        } else {
          console.error(`Could not find item with key: ${key}`);
No items found.

Creating the Make.com Scenario

1. Download the JSON blueprint below to get stated.

2. Navigate to Make.com and Create a New Scenario...

3. Click the small box with 3 dots and then Import Blueprint...

4. Upload your file and voila! You're ready to link your own accounts.