create a change column table migration in laravel code example

Example 1: laravel migration change column name

Schema::table('users', function (Blueprint $table) {
    $table->renameColumn('from', 'to');
});

Example 2: add new column in existing table in laravel migration

public function down()
{
    Schema::table('users', function($table) {
        $table->dropColumn('paid');
    });
}