Grav-Admin-Plugin/theme/templates/forms/fields/checkboxes/checkboxes.html.twig

{% set value = (value is null ? field.default : value) %}

<div class="form-field">
    <label class="inline">
        <span>
            {% if field.help %}
            <span class="tooltip" data-asTooltip-position="w" title="{{ field.help|e }}">{{ field.label|e }}</span>
            {% else %}
            {{ field.label|e }}
            {% endif %}
            {{ field.validate.required in ['on', 'true', 1] ? '<span class="required">*</span>' }}
        </span>


        {% for key, text in field.options %}
        {% set checked = (field.use == 'keys' ? value[key] : key in value) %}
        {% set name = field.name|fieldName ~ '[' ~ (field.use == 'keys' ? key : '') ~ ']' %}
        {% set key = (field.use == 'keys' ? '1' : key) %}
        <span class="checkboxes">
            <input type="checkbox"
                   value="{{ key|e }}"
                   name="{{ (scope ~ name)|fieldName }}"
                   {% if checked %}checked="checked"{% endif %}
                   {% if field.validate.required %}required="required"{% endif %}
            >
            {{ text|e }}
        </span>
        {% endfor %}
    </label>
</div>