netboot.xyz/roles/netbootxyz/templates/menu/utils-arm.ipxe.j2

#!ipxe

menu Utilities
item --gap Utilities:
{% for key, value in utilitiesarm.items() | sort(attribute='1.name') %}
{% if value.enabled %}
item {{ key }} ${space} {{ value.name }}
{% endif %}
{% endfor %}
item --gap netboot.xyz tools:
item nbxyz-custom ${space} Set Github username [user: ${github_user}]
item nbxyz ${space} netboot.xyz endpoints
choose --default ${menu} menu || goto utils_exit
echo ${cls}
goto ${menu} ||
chain ${menu}.ipxe || goto utils_exit
goto utils_exit

{% for key, value in utilitiesarm.items() | sort %}
{% if value.enabled | bool and value.type == "direct" %}
:{{ key }}
imgfree
kernel {{ value.kernel }}
initrd {{ value.initrd }}
boot
goto utils_exit
{% endif %}
{% endfor %}

:nbxyz-custom
echo EXPERIMENTAL
echo 
echo Make sure you have a fork of https://github.com/netbootxyz/netboot.xyz-custom.
echo You can then customize your fork as needed and set up your own custom options.
echo Once your username is set, a custom option will appear on the main menu.
echo
echo -n Please enter your Github username: ${} && read github_user
goto utils_exit

:utils_exit
clear menu
exit 0