@@ -7,13 +7,6 @@
 // tags: design, state
 // ---
 
-// Note that we use the following configuration:
-// ```
-// api_platform:
-//    defaults:
-//            rfc_7807_compliant_errors: true
-// ```
-
 namespace App\ApiResource {
     use ApiPlatform\Metadata\ErrorResource;
     use ApiPlatform\Metadata\Exception\ProblemExceptionInterface;
@@ -25,12 +18,12 @@ class MyDomainException extends \Exception implements ProblemExceptionInterface
     {
         public function getType(): string
         {
-            return 'teapot';
+            return '/errors/418';
         }
 
         public function getTitle(): ?string
         {
-            return null;
+            return 'Teapot error';
         }
 
         public function getStatus(): ?int
@@ -47,6 +40,8 @@ public function getInstance(): ?string
         {
             return null;
         }
+
+        public string $myCustomField = 'I usually prefer coffee.';
     }
 
     use ApiPlatform\Metadata\ApiResource;
@@ -90,7 +85,12 @@ public function testBookDoesNotExists(): void
             // you can override this by looking at the [Error Provider guide](/docs/guides/error-provider).
             $this->assertResponseStatusCodeSame(418);
             $this->assertJsonContains([
+                '@id' => '/my_domain_exceptions',
+                '@type' => 'MyDomainException',
+                'type' => '/errors/418',
+                'title' => 'Teapot error',
                 'detail' => 'I am teapot',
+                'myCustomField' => 'I usually prefer coffee.'
             ]);
         }
     }
Original file line number	Diff line number	Diff line change
`@@ -7,13 +7,6 @@`
`7`	`7`	`// tags: design, state`
`8`	`8`	`// ---`
`9`	`9`
`10`		`-// Note that we use the following configuration:`
`11`		-// ```
`12`		`-// api_platform:`
`13`		`-// defaults:`
`14`		`-// rfc_7807_compliant_errors: true`
`15`		-// ```
`16`		`-`
`17`	`10`	`namespace App\ApiResource {`
`18`	`11`	`use ApiPlatform\Metadata\ErrorResource;`
`19`	`12`	`use ApiPlatform\Metadata\Exception\ProblemExceptionInterface;`
`@@ -25,12 +18,12 @@ class MyDomainException extends \Exception implements ProblemExceptionInterface`
`25`	`18`	`{`
`26`	`19`	`public function getType(): string`
`27`	`20`	`{`
`28`		`- return 'teapot';`
	`21`	`+ return '/errors/418';`
`29`	`22`	`}`
`30`	`23`
`31`	`24`	`public function getTitle(): ?string`
`32`	`25`	`{`
`33`		`- return null;`
	`26`	`+ return 'Teapot error';`
`34`	`27`	`}`
`35`	`28`
`36`	`29`	`public function getStatus(): ?int`
`@@ -47,6 +40,8 @@ public function getInstance(): ?string`
`47`	`40`	`{`
`48`	`41`	`return null;`
`49`	`42`	`}`
	`43`	`+`
	`44`	`+ public string $myCustomField = 'I usually prefer coffee.';`
`50`	`45`	`}`
`51`	`46`
`52`	`47`	`use ApiPlatform\Metadata\ApiResource;`
`@@ -90,7 +85,12 @@ public function testBookDoesNotExists(): void`
`90`	`85`	`// you can override this by looking at the [Error Provider guide](/docs/guides/error-provider).`
`91`	`86`	`$this->assertResponseStatusCodeSame(418);`
`92`	`87`	`$this->assertJsonContains([`
	`88`	`+ '@id' => '/my_domain_exceptions',`
	`89`	`+ '@type' => 'MyDomainException',`
	`90`	`+ 'type' => '/errors/418',`
	`91`	`+ 'title' => 'Teapot error',`
`93`	`92`	`'detail' => 'I am teapot',`
	`93`	`+ 'myCustomField' => 'I usually prefer coffee.'`
`94`	`94`	`]);`
`95`	`95`	`}`
`96`	`96`	`}`