netbox-community-netbox/netbox/templates/virtualization/cluster_add_devices.html

{% extends 'generic/object_edit.html' %}
{% load static %}
{% load form_helpers %}

{% render_errors form %}

{% block title %}Add Device to Cluster {{ cluster }}{% endblock %}

{% block content %}
    <form action="." method="post">
        {% csrf_token %}
        {% for field in form.hidden_fields %}
            {{ field }}
        {% endfor %}
        <div class="row">
            <div class="col col-md-6 offset-md-3">
                <div class="field-group">
                    <h4>Device Selection</h4>
                    {% render_form form %}
                </div>
            </div>
        </div>
        <div class="row">
            <div class="col col-md-6 offset-md-3 text-end noprint">
                <a href="{{ return_url }}" class="btn btn-outline-danger">Cancel</a>
                <button type="submit" name="_add" class="btn btn-primary">Add Devices</button>
            </div>
        </div>
    </form>
{% endblock %}