Allow to enter a custom text that needs to be confirmed during checkout

src/pretix/control/forms/event.py

@@ -339,6 +339,13 @@ class EventSettingsForm(SettingsForm):
         label=_("Imprint URL"),
         required=False,
     )
+    confirm_text = forms.CharField(
+        label=_('Confirmation text'),
+        help_text=_('This text needs to be confirmed by the user before a purchase is possible. You could for example '
+                    'link your terms of service here. If you use the Pages feature to publish your terms of service, '
+                    'you don\'t need this setting since you can configure it there.'),
+        widget=forms.Textarea(attrs={"rows": 3})
+    )
     contact_mail = forms.EmailField(
         label=_("Contact address"),
         required=False,

src/pretix/control/templates/pretixcontrol/event/settings.html

@@ -45,6 +45,7 @@
             {% bootstrap_field sform.show_times layout="horizontal" %}
             {% bootstrap_field sform.contact_mail layout="horizontal" %}
             {% bootstrap_field sform.imprint_url layout="horizontal" %}
+            {% bootstrap_field sform.confirm_text layout="horizontal" %}
             {% bootstrap_field sform.show_quota_left layout="horizontal" %}
             {% bootstrap_field sform.display_net_prices layout="horizontal" %}
         </fieldset>