how to send the data using http back() function in laravel 8 code example

Example 1: laravel return response json

return response()->json([
    'name' => 'Abigail',
    'state' => 'CA',
]);

Example 2: ensure a header is included with request laravel

// Returns header value with default as fallback
$request->header('someHeader', 'defaultValue');

// Returns boolean
$request->headers->has('someHeader');