save information in 2 tables whith one to one relation ship - php

Question

I have 2 table the first table user and the second technicien and the relation is one to one relation ship i like inserte the information of the user and the information of technicien in the same time
user model:
<?php
namespace App;
use Illuminate\Notifications\Notifiable;
use Illuminate\Foundation\Auth\User as Authenticatable;
class User extends Authenticatable
{
public function technicien()
{
return $this->hasOne('App\technicien');
}
use Notifiable;
/**
* The attributes that are mass assignable.
*
* #var array
*/
protected $fillable = [
'email', 'password','nom','prenom','tel','mobil','role',
];
/**
* The attributes that should be hidden for arrays.
*
* #var array
*/
protected $hidden = [
'password', 'remember_token',
];
}
technicien model
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class technicien extends Model
{
public function zoneintervention()
{
return $this->belongsToMany('App\zoneintervention','technicien_zone','technicien_id','zoneintervention_id');
}
public function metier()
{
return $this->belongsToMany('App\metier','technicien_metier','technicien_id','metier_id');
}
public function user()
{
return $this->belongsTo('App\User');
}
public function tarificationtache()
{
return $this->hasMany(Tarificationtache::class);
}
}
this is the view create.blade.php
#extends('Layouts/app')
#section('content')
#if(count($errors))
<div class="alert alert-danger" role="alert">
<ul>
#foreach($errors ->all() as $message)
<li>{{$message}}</li>
#endforeach
</ul>
</div>
#endif
<div class="container">
<div class="row"></div>
<div class="col-md-12">
<form action=" {{url ('technicien') }}" method="post">
{{csrf_field()}}
<div class="form-group">
<label for="">Nom</label>
<input id="nom" type="text" class="form-control" name="nom"
value="{{ old('nom') }}" required autofocus>
#if ($errors->has('nom'))
<span class="help-block">
<strong>{{ $errors->first('nom') }}
</strong>
</span>
#endif
</div>
<div class="form-group">
<label for="">Prenom</label>
<input id="prenom" type="text" class="form-control"
name="prenom" value="{{ old('prenom') }}" required autofocus>
#if ($errors->has('prenom'))
<span class="help-block">
<strong>{{ $errors->first('prenom') }}
</strong>
</span>
#endif
</div>
<div class="form-group">
<label for="">Telephone</label>
<input id="telephone" type="text" class="form-control"
name="telephone" value="{{ old('telephone') }}" required autofocus>
#if ($errors->has('telephone'))
<span class="help-block">
<strong>{{ $errors->first('telephone')
}}</strong>
</span>
#endif
</div>
<div class="form-group">
<label for="">Mobile</label>
<input id="Mobile" type="text" class="form-control"
name="Mobile" value="{{ old('Mobile') }}" required autofocus>
#if ($errors->has('Mobile'))
<span class="help-block">
<strong>{{ $errors->first('Mobile') }}
</strong>
</span>
#endif
</div>
<div class="form-group">
<label for="">Role</label>
<input id="role" type="text" class="form-control"
name="role" value="{{ old('role') }}" required autofocus>
#if ($errors->has('role'))
<span class="help-block">
<strong>{{ $errors->first('role') }}
</strong>
</span>
#endif
</div>
<div class="form-group{{ $errors->has('email') ? ' has-error' :
'' }}">
<label for="">E-Mail Address</label>
<input id="email" type="text" class="form-control"
name="email" value="{{ old('email') }}" required autofocus>
#if ($errors->has('email'))
<span class="help-block">
<strong>{{ $errors->first('email') }}
</strong>
</span>
#endif
</div>
<div class="form-group">
<label for="password">Password</label>
<div class="form-group">
<input id="password" type="password"
class="form-control" name="password" value="{{ old('password') }}"
required
autofocus>
#if ($errors->has('password'))
<span class="help-block">
<strong>{{ $errors->first('password') }}
</strong>
</span>
#endif
</div>
</div>
<div class="form-group">
<label for="password">Confirm Password</label>
<div class="form-group">
<input id="password_confirmation"
type="password_" class="form-control" name="password_confirmation"
value="{{
old('password_confirmation') }}" required s>
</div>
</div>
<div class="form-group">
<label for="zoneintervention">zoneintervention</label>
<select multiple name="zoneintervention_id[]"
id="zoneintervention" class="form-control" >
#foreach($zoneintervention as $zoneintervention)
<option value="{{ $zoneintervention->id }}">
{{$zoneintervention->code_postal}}
</option>
#endforeach
</select>
</div>
<div class="form-group">
<label for="">Moyenne Avis</label>
<input type="text" name ="moyenne_avis" class="form-
control"value="{{old('moyenne_avis')}}">
</div>
<div class="form-group">
<label for="">Etat</label>
<input type="text" name ="actif" class="form-
control"value="{{old('actif')}}">
</div>
<div class="form-group">
<input type="submit" value = "enregistrer" class="form-
control btn btn-primary">
</div>
</form>
</div>
</div>
#endsection
some one help me