MemberPress: Display Custom Field Value Instead of Customer Name in PDF invoice

function mepr_change_invoice_bill_to( $invoice, $txn ) {

	$user = $txn->user();

	// Get company custom field.

	// Replace 'mepr_company_name' with the custom field slug.

	$company = get_user_meta( $user->ID, 'mepr_company_name', true );

	// Return company name if not empty

	$name = ( !empty( $company ) ? $company : $user->full_name() );

	$invoice['bill_to'] = $name . '<br/>' . $invoice['bill_to'];

	return $invoice;

}

add_filter( 'mepr-pdf-invoice-data', 'mepr_change_invoice_bill_to', 10, 2 );