Checkout field is required or no

1: The Phone, Address is required when you checkout events Add the code Bellow to functions.php in child theme

add_filter( 'el_checkout_required_address', function(){ return 'true'; } );
add_filter( 'el_checkout_required_phone', function(){ return 'true'; } );

2: The Phone, Address isn't required when you checkout events Add the code bellow to functions.php in child theme

add_filter( 'el_checkout_required_address', function(){ return 'false'; } );
add_filter( 'el_checkout_required_phone', function(){ return 'false'; } );