Simple Basic Contact Form Custom Fields

functions.php

// add custom field values to the email
function myprefix_scf_custom_email_content( $content ) {

	// get custom field values
	$custom_field_value = scf_get_field_value( 'scf_custom_field_name' );
		
	// the content added to the email
	$content .= 'Custom Field Name: ' . $custom_field_value;

	// pass it back to the plugin
	return $content;

} add_filter( 'scf_custom_email_content', 'myprefix_scf_custom_email_content' );

// add custom fields to the form
function myprefix_scf_custom_fields( $custom_fields ) {

	// custom fields ( HTML form fields )
	$custom_fields .= '
		<fieldset class="scf-name">
			<label for="scf_custom_field_name">Custom Field Name</label>
			<input name="scf_custom_field_name" id="scf_custom_field_name" type="text" />
		</fieldset>';

	// pass it back to the plugin
	return $custom_fields;

} add_filter( 'scf_custom_fields', 'myprefix_scf_custom_fields' );