Add new vendor configuration

Configuration page is showing all vendor configurations. (see below image)

Defining sections and fields in vendor configuration similar with admin configuration.

You need to create a vendor.xml file in etc folder of your extension. The below xml code is a sample content of the vendor.xml file.

<?xml version="1.0" ?>
<config>
    <sections>
        <payment translate="label" module="vendorspage">
            <label>Payment Methods</label>
            <sort_order>100</sort_order>
            <groups>
                <paypal_adaptive translate="label">
                    <label>Paypal</label>
                    <sort_order>10</sort_order>
                    <fields>
                        <account>
                            <label>Email Associated with PayPal Merchant Account</label>
                            <sort_order>10</sort_order>
                            <frontend_type>text</frontend_type>
                            <frontend_class>required-entry validate-email</frontend_class>
                            <comment>Money will be transferred to this paypal email account</comment>
                        </account>
                    </fields>
                </paypal_adaptive>
            </groups>
        </payment>
    </sections>
</config>