Creating a button??

[macMonkey]

this my file sttructure from the src file inside the ext-template repo which i cloned and modified:
.
├── files
│ ├── Espo
│ │ └── Modules
│ │ └── LeadManagement
│ │ ├── Controllers
│ │ │ └── LeadAssignmentController.php
│ │ ├── Jobs
│ │ │ └── LeadDistributionJob.php
│ │ ├── Resources
│ │ │ ├── i18n
│ │ │ │ └── en_US.json
│ │ │ └── metadata
│ │ │ ├── clientDefs
│ │ │ │ └── Lead.json
│ │ │ └── routes.json
│ │ └── Services
│ │ └── LeadDistributionService.php
│ └── client
│ └── custom
│ └── modules
│ └── lead-management
│ ├── res
│ │ └── templates
│ │ └── myLead
│ │ └── assign-leads.tpl
│ └── src
│ └── views
│ └── myLead
│ ├── assign-leads.js
│ └── list.js
└── scripts
├── AfterInstall.php
└── AfterUninstall.php

im trying to make a button at mass action in lead page but i get this error on inspect element console using Espo.require('client/costum/modules/lead-management/src/views/myLead/assign-leads’); command :

request URL:

http://localhost/espocrm/client/custom/modules/lead-management/src/views/lead/assign-leads.js?r=1731843528

Request Method:
GET
Status Code:
404 Not Found

these are my file codes:

assign-leads.tpl

<div class="modal-header">
<h4 class="modal-title">Assign Leads to Users</h4>
</div>
<div class="modal-body">
<table class="table">
<thead>
<tr>
<th><input type="checkbox" id="selectAllUsers"></th>
<th>Name</th>
<th>Email</th>
</tr>
</thead>
<tbody>
{{#each users}}
<tr>
<td><input type="checkbox" class="user-checkbox" data-id="{{id}}"></td>
<td>{{name}}</td>
<td>{{email}}</td>
</tr>
{{/each}}
</tbody>
</table>
</div>
<div class="modal-footer">
<button class="btn btn-primary" id="assignUsersButton">Assign</button>

assign-leads.js
define('LeadManagement:views/myLead/assign-leads', ['view'], function (Dep) {
return Dep.extend({
template: 'lead-management.res.templates.lead.assign-leads', // Updated template path

events: {
'click #assignUsersButton': function () {
this.assignLeads();
},
},

data: function () {
return {
users: this.options.users
};
},

assignLeads: function () {
let selectedUserIds = [];
this.$el.find('.user-checkbox:checked').each(function () {
selectedUserIds.push($(this).data('id'));
});

if (selectedUserIds.length === 0) {
this.notify('Please select at least one user.');
return;
}

this.notify('Assigning leads...');
this.action('LeadManagement:assignLeads', {
leadIds: this.options.leadIds,
userIds: selectedUserIds
}).then(() => {
this.notify('Leads assigned successfully.');
this.close();
});
}
});
});

Lead.json
{
"massActions": {
"assignLeads": {
"label": "Assign Leads",
"action": "client/costum/modules/lead-management/src/views/myLead/assign-leads"
}
},

"views": {
"list": "Espo:views/myLead/list"
}
}

[Kharg]

Your path is “costum” instead of “custom” in several places, fix it.