how to return a certain column name in laravel eloquent code example

Example 1: laravel eloquent get column

//return array of json
Model::where('id', 1)->get(['column1','column2']);
or
Model::all(['column1']);
//return array
Model::whereNull('deleted_at')->pluck('column1');

Example 2: laravel get column field name

// You may need to run
composer require doctrine/dbal
// Retrieve laravel column type
$columnType = DB::getSchemaBuilder()->getColumnType($tableName, $colName)
// for example
$columnType = DB::getSchemaBuilder()->getColumnType('user', 'age')