Create a Custom Payment Method Module in Magento - system.xml

system.xml

<?xml version="1.0"?>
<config>
    <sections>
        <payment>
            <groups>
                <localpay translate="label" module="localpay">
                    <label>Localpay</label>
                    <sort_order>1000</sort_order>
                    <show_in_default>1</show_in_default>
                    <show_in_website>1</show_in_website>
                    <show_in_store>1</show_in_store>
                    <fields>
                        <title translate="label">
                            <label>Title</label>
                            <frontend_type>text</frontend_type>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>1</show_in_store>
                            <sort_order>1</sort_order>
                        </title>
                        <active translate="label">
                            <label>Enabled</label>
                            <frontend_type>select</frontend_type>
                            <source_model>adminhtml/system_config_source_yesno</source_model>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                            <sort_order>2</sort_order>
                        </active>
                        <merchantid translate="label">
                            <label>Merchant ID</label>
                            <frontend_type>text</frontend_type>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                            <sort_order>3</sort_order>
                        </merchantid>
                        <accesscode translate="label">
                            <label>Access Code</label>
                            <frontend_type>text</frontend_type>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                            <sort_order>4</sort_order>
                        </accesscode>
                        <securehash translate="label">
                            <label>Secure Hash</label>
                            <frontend_type>text</frontend_type>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                            <sort_order>5</sort_order>
                        </securehash>
                        <returnurl translate="label">
                            <label>Return URl</label>
                            <frontend_type>text</frontend_type>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                            <sort_order>6</sort_order>
                        </returnurl>
                        <order_status translate="label">
                            <label>New order status</label>
                            <frontend_type>select</frontend_type>
                            <source_model>adminhtml/system_config_source_order_status</source_model>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>0</show_in_store>
                            <sort_order>7</sort_order>
                        </order_status>
                        <allowspecific translate="label">
                            <label>Payment from applicable countries</label>
                            <frontend_type>allowspecific</frontend_type>
                            <source_model>adminhtml/system_config_source_payment_allspecificcountries</source_model>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>1</show_in_store>
                            <sort_order>8</sort_order>
                        </allowspecific>
                        <specificcountry translate="label">
                            <label>Payment from Specific countries</label>
                            <frontend_type>multiselect</frontend_type>
                            <source_model>adminhtml/system_config_source_country</source_model>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>1</show_in_store>
                            <sort_order>9</sort_order>
                        </specificcountry>
                    </fields>
                </localpay>
            </groups>
        </payment>
    </sections>
</config>