laravel yield code example

Example 1: how can set defult value for yield in laravel

@yield('sidebar', 'Default Content');

Example 2: laravel blade section keep template

<!-- Stored in resources/views/child.blade.php -->

@extends('layouts.app')

@section('title', 'Page Title')

@section('sidebar')
    @parent

    <p>This is appended to the master sidebar.</p>
@endsection

@section('content')
    <p>This is my body content.</p>
@endsection