How to limit the selection of choice list up to 3 in checkbox

[Sai Akhil]

Hello Developers,

I have a requirement where I used 6 checkboxes in the catalog item, but I have to restrict the user to select the utmost 3, please let me know how to achieve this.

Thanks in advance,

Akhil.

[Harshal Gawali]

Hello Sai,

Please go through below blog.

https://www.servicenowguru.com/scripting/client-scripts-scripting/checkbox-variables-mandatory/

Regards,

Harshal

[Sai Akhil]

Hello Harshal,

Thanks for your kind reply, but that blog will not suffice my requirement, the user does not want to select a minimum of 3  but can select up to 3.  Please let me know if u know how to achieve this.

Thanks,

Akhil

[Pratiksha Kalam]

Hello,

You can write client script in catalog item.

https://community.servicenow.com/community?id=community_question&sys_id=f001b8a7dbbe2bc05d782183ca96...

If answer is helpful please mark correct and helpful!
Thanks,
Pratiksha

[Pranav Bhagat]

Hi

Check this samplle code 

var checkboxes = ['checkbox1', 'checkbox2', 'checkbox3', 'checkbox4'];

var count ;

for (var i = 0; i < checkboxes.length; i++) {

if (g_form.getValue(checkboxes[i]) == 'true') {
count = count +1;
break;
}
}

if (count > 3) {
g_form.addErrorMessage('You can't select all');

return false;
}

Regards

Pranav