append variables - var todoList = [ { task: 'Design a facebook ad', color: 'primary' }, { task: 'Analyze Data', color: 'secondary' }, { task: 'Youtube campaign', color: 'success' }, { task: 'Assign 10 employee', color: 'warning' }, { task: 'Meeting at 12', color: 'danger' }, { task: 'Meeting at 10', color: 'info' }, ]; mixin CardToDoListManagement .card&attributes(attributes) .card-header h6.mb-0 To Do List .card-body.p-0 each item, index in todoList +TodoItem(item,index) .card-footer.bg-body-tertiary.p-0 a.btn.btn-sm.btn-link.d-block.py-2(href=`#!`) span.fas.fa-plus.me-1.fs-11 | Add New Task mixin TodoItem(item,index) .d-flex.justify-content-between.border-top.hover-actions-trigger.btn-reveal-trigger.px-x1.border-200.todo-list-item .form-check.mb-0.d-flex.align-items-center input.form-check-input.rounded-circle.form-check-line-through.p-2(type="checkbox" id=`checkbox-todo-${index}` class= `form-check-input-${item.color}`) label.form-check-label.mb-0.p-3(for=`checkbox-todo-${index}`)=item.task .d-flex.align-items-center .hover-actions button.btn.btn-tertiary.icon-item.rounded-3.me-2.fs-11.icon-item-sm span.fas.fa-clock button.btn.btn-tertiary.icon-item.rounded-3.me-2.fs-11.icon-item-sm span.fas.fa-user-plus +DashboardDropdown(`management-to-do-list-${index}`, 'sm').transition-none