How to make signature field required

Hi I need to make the signature fields required....

To make the Signature Field required, please see the instructions below:

1. Click the Signature Field.

2. Click the gear icon at the right side.

3. Under the General Tab, click "Yes" in the Required option.

Let us know if you need more help.
Regards.

 

 

It does t give me that option when I click on it.
Sent from my iPhone
...

I checked on your form and I see the option available and working just fine.

I have enabled it for you. 

Let us know if issue persist.