There are two types of custom forms – product related and non-product related form

Select “Custom Forms” from the left menu and click on “Form” button

On “Custom Forms” page, click on "+ Add New Form" to create new form

You will see the “Form” page as shown in the image below

Click on the radio button on “Form Type” field to select the type of the form you want to create

When you click the radio button of “Non-product Related” field, you will see the form as shown in the image above

Enter the required details in the fields and click on "Save" button to save the changes