craft-fef-matrix-field.twig

{# NOTE: Required so that judges don't override other judges' matrix blocks! #}
<!-- Matrix blocks exist -->
{% if entry.judgeSelections|length %}
    {% for block in entry.judgeSelections.all() %}
        <input type="hidden"
            name="fields[judgeSelections][{{ block.id }}][type]"
            value="judgeSelection"
        >
        <input type="hidden"
            name="fields[judgeSelections][{{ block.id }}][enabled]"
            value="1"
        >
    {% endfor %}
{# If not Matrix blocks, add new one for current user #}
{% else %}
    <input type="hidden"
        name="fields[judgeSelections][new1][type]"
        value="judgeSelection"
    >
    <input type="hidden"
        name="fields[judgeSelections][new1][enabled]"
        value="1"
    >
    <input type="hidden"
        name="fields[judgeSelections][new1][fields][member][user.id]"
        value="{{ currentUser.id }}"
    >

    <input type="hidden"
        name="fields[judgeSelections][new1][fields][memberId]"
        value="{{ currentUser.id }}"
    >
{% endif %}
<!-- /Matrix blocks exist -->