diff --git a/migrations/Version20240322155533.php b/migrations/Version20240322155533.php
new file mode 100644
index 0000000..690fe97
--- /dev/null
+++ b/migrations/Version20240322155533.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+namespace DoctrineMigrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Auto-generated Migration: Please modify to your needs!
+ */
+final class Version20240322155533 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return '';
+    }
+
+    public function up(Schema $schema): void
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE document_object ADD created_by_id INT NOT NULL, ADD name VARCHAR(255) NOT NULL, ADD description LONGTEXT DEFAULT NULL');
+        $this->addSql('ALTER TABLE document_object ADD CONSTRAINT FK_16CF1A8AB03A8386 FOREIGN KEY (created_by_id) REFERENCES `user` (id)');
+        $this->addSql('CREATE INDEX IDX_16CF1A8AB03A8386 ON document_object (created_by_id)');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE document_object DROP FOREIGN KEY FK_16CF1A8AB03A8386');
+        $this->addSql('DROP INDEX IDX_16CF1A8AB03A8386 ON document_object');
+        $this->addSql('ALTER TABLE document_object DROP created_by_id, DROP name, DROP description');
+    }
+}
diff --git a/src/ApiResource/UserApi.php b/src/ApiResource/UserApi.php
index da0dec9..948c123 100644
--- a/src/ApiResource/UserApi.php
+++ b/src/ApiResource/UserApi.php
@@ -46,7 +46,7 @@ use Symfony\Component\Validator\Constraints as Assert;
     stateOptions: new Options(entityClass: User::class),
 
 )]
-#[ApiFilter(SearchFilter::class, properties: ['firstName' => 'partial', 'lastName' => 'partial'])]
+#[ApiFilter(SearchFilter::class, properties: ['firstName' => 'ipartial', 'lastName' => 'ipartial'])]
 class UserApi
 {
     #[ApiProperty(readable: false, writable: false, identifier: true)]
diff --git a/src/DataFixtures/FakeValues.php b/src/DataFixtures/FakeValues.php
index c0ec168..10602bc 100644
--- a/src/DataFixtures/FakeValues.php
+++ b/src/DataFixtures/FakeValues.php
@@ -221,4 +221,17 @@ class FakeValues
         'Hausaufgaben machen', 'Papierkram sortieren',
     ];
 
+    const BUSINESS_FILE_NAMES = [
+        'Neue Preisliste', 'Produktübersicht', 'Kundenbewertungen', 'Jahresbericht', 'Projektplan',
+        'Angebotsvorschlag', 'Marketingstrategie', 'Lieferantenvertrag', 'Finanzplan', 'Geschäftsbericht',
+        'Firmenpräsentation', 'Qualitätsmanagementplan', 'Vertriebsstrategie', 'Mitarbeiterhandbuch', 'Umsatzprognose',
+        'Kundenvertrag', 'Marktanalyse', 'Entwicklungsplan', 'Vermarktungsplan', 'Forschungsbericht',
+        'Investitionsplan', 'Risikoanalyse', 'Besprechungsprotokoll', 'Kundenbefragung', 'Personalplanung',
+        'Produktentwicklungsbericht', 'Budgetplan', 'Geschäftsplanung', 'Kundenreferenzliste', 'Präsentationsvorlage',
+        'Beschwerdeprotokoll', 'Verkaufsanalyse', 'Zielvereinbarung', 'Produktkonzept', 'Kundendatenbank',
+        'Marketingkampagne', 'Projektabschlussbericht', 'Erfolgsbilanz', 'Strategieplan', 'Vertragsentwurf',
+        'Kundendienstleistungsbericht', 'Verkaufsprognose', 'Geschäftsordnung', 'Produktbeschreibung', 'Rechnungsvorlage',
+        'Personalakte', 'Dienstleistungsvertrag', 'Kundenbestellformular', 'Geschäftsbrief', 'Qualitätskontrollbericht'
+    ];
+
 }
\ No newline at end of file
diff --git a/src/Entity/DocumentObject.php b/src/Entity/DocumentObject.php
index ecc47fd..25c7b84 100644
--- a/src/Entity/DocumentObject.php
+++ b/src/Entity/DocumentObject.php
@@ -16,6 +16,7 @@ use ApiPlatform\Metadata\GetCollection;
 use ApiPlatform\Metadata\Post;
 use ApiPlatform\OpenApi\Model;
 use App\Controller\CreateDocumentObjectAction;
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Component\HttpFoundation\File\File;
 use Symfony\Component\Serializer\Annotation\Groups;
@@ -39,6 +40,14 @@ use Vich\UploaderBundle\Mapping\Annotation as Vich;
                             'schema' => [
                                 'type' => 'object',
                                 'properties' => [
+                                    'name' => [
+                                        'type' => 'string',
+                                        'required' => true,
+                                    ],
+                                    'description' => [
+                                        'type' => 'text',
+                                        'required' => true,
+                                    ],
                                     'file' => [
                                         'type' => 'string',
                                         'format' => 'binary'
@@ -59,7 +68,7 @@ use Vich\UploaderBundle\Mapping\Annotation as Vich;
                     ])
                 )
             ),
-            validationContext: ['groups' => ['Default', 'document_object_create']],
+            validationContext: ['groups' => ['Default', 'document_object:create']],
             deserialize: false
         ),
         new Delete(
@@ -75,26 +84,44 @@ class DocumentObject
     #[ORM\Id, ORM\Column, ORM\GeneratedValue]
     private ?int $id = null;
 
+    #[Groups(['document_object:read', 'document_object:create'])]
+    #[ORM\ManyToOne(inversedBy: 'documentObjects')]
+    #[ORM\JoinColumn(nullable: false)]
+    private ?User $createdBy = null;
+
+    #[Groups(['document_object:read', 'document_object:create'])]
+    #[Assert\NotNull(groups: ['document_object:create'])]
+    #[ORM\Column(length: 255)]
+    private ?string $name = null;
+
+    #[Groups(['document_object:read', 'document_object:create'])]
+    #[ORM\Column(type: Types::TEXT, nullable: true)]
+    private ?string $description = null;
+
+    #[Groups(['document_object:read', 'document_object:create'])]
+    #[ORM\ManyToOne(inversedBy: 'documentObjects')]
+    private ?Partner $partner = null;
+
+    #[Groups(['document_object:read', 'document_object:create'])]
+    #[ORM\ManyToOne(inversedBy: 'documentObjects')]
+    private ?Product $product = null;
+
     #[ApiProperty(types: ['https://schema.org/contentUrl'])]
     #[Groups(['document_object:read'])]
     public ?string $contentUrl = null;
 
     #[Vich\UploadableField(mapping: 'document_object', fileNameProperty: 'filePath')]
-    #[Assert\NotNull(groups: ['document_object_create'])]
+    #[Assert\NotNull(groups: ['document_object:create'])]
     public ?File $file = null;
 
     #[ORM\Column(nullable: true)]
     public ?string $filePath = null;
 
+    #[ApiProperty(writable: false)]
+    #[Groups(['document_object:read'])]
     #[ORM\Column]
     private ?\DateTimeImmutable $createdAt = null;
 
-    #[ORM\ManyToOne(inversedBy: 'documentObjects')]
-    private ?Partner $partner = null;
-
-    #[ORM\ManyToOne(inversedBy: 'documentObjects')]
-    private ?Product $product = null;
-
     public function __construct()
     {
         $this->createdAt = new \DateTimeImmutable();
@@ -149,4 +176,40 @@ class DocumentObject
         return $this;
     }
 
+    public function getCreatedBy(): ?User
+    {
+        return $this->createdBy;
+    }
+
+    public function setCreatedBy(?User $createdBy): static
+    {
+        $this->createdBy = $createdBy;
+
+        return $this;
+    }
+
+    public function getName(): ?string
+    {
+        return $this->name;
+    }
+
+    public function setName(string $name): static
+    {
+        $this->name = $name;
+
+        return $this;
+    }
+
+    public function getDescription(): ?string
+    {
+        return $this->description;
+    }
+
+    public function setDescription(?string $description): static
+    {
+        $this->description = $description;
+
+        return $this;
+    }
+
 }
\ No newline at end of file
diff --git a/src/Entity/MediaObject.php b/src/Entity/MediaObject.php
index d2658a4..4c4d12b 100644
--- a/src/Entity/MediaObject.php
+++ b/src/Entity/MediaObject.php
@@ -48,7 +48,7 @@ use Vich\UploaderBundle\Mapping\Annotation as Vich;
                     ])
                 )
             ),
-            validationContext: ['groups' => ['Default', 'media_object_create']],
+            validationContext: ['groups' => ['Default', 'media_object:create']],
             deserialize: false
         ),
         new Delete(
@@ -68,7 +68,7 @@ class MediaObject
     public ?string $contentUrl = null;
 
     #[Vich\UploadableField(mapping: 'media_object', fileNameProperty: 'filePath')]
-    #[Assert\NotNull(groups: ['media_object_create'])]
+    #[Assert\NotNull(groups: ['media_object:create'])]
     public ?File $file = null;
 
     #[ORM\Column(nullable: true)]
diff --git a/src/Entity/User.php b/src/Entity/User.php
index 0430bfd..6b8e938 100644
--- a/src/Entity/User.php
+++ b/src/Entity/User.php
@@ -58,6 +58,9 @@ class User implements UserInterface, PasswordAuthenticatedUserInterface
     #[ORM\OneToMany(mappedBy: 'user', targetEntity: PartnerFollow::class)]
     private Collection $partnerFollows;
 
+    #[ORM\OneToMany(mappedBy: 'createdBy', targetEntity: DocumentObject::class)]
+    private Collection $documentObjects;
+
 
     public function __construct()
     {
@@ -67,6 +70,7 @@ class User implements UserInterface, PasswordAuthenticatedUserInterface
         $this->comments = new ArrayCollection();
         $this->sales = new ArrayCollection();
         $this->partnerFollows = new ArrayCollection();
+        $this->documentObjects = new ArrayCollection();
     }
 
     public function getId(): ?int
@@ -314,4 +318,34 @@ class User implements UserInterface, PasswordAuthenticatedUserInterface
 
         return $this;
     }
+
+    /**
+     * @return Collection<int, DocumentObject>
+     */
+    public function getDocumentObjects(): Collection
+    {
+        return $this->documentObjects;
+    }
+
+    public function addDocumentObject(DocumentObject $documentObject): static
+    {
+        if (!$this->documentObjects->contains($documentObject)) {
+            $this->documentObjects->add($documentObject);
+            $documentObject->setCreatedBy($this);
+        }
+
+        return $this;
+    }
+
+    public function removeDocumentObject(DocumentObject $documentObject): static
+    {
+        if ($this->documentObjects->removeElement($documentObject)) {
+            // set the owning side to null (unless already changed)
+            if ($documentObject->getCreatedBy() === $this) {
+                $documentObject->setCreatedBy(null);
+            }
+        }
+
+        return $this;
+    }
 }
diff --git a/src/Factory/DocumentObjectFactory.php b/src/Factory/DocumentObjectFactory.php
index 5df11db..09844c1 100644
--- a/src/Factory/DocumentObjectFactory.php
+++ b/src/Factory/DocumentObjectFactory.php
@@ -2,6 +2,7 @@
 
 namespace App\Factory;
 
+use App\DataFixtures\FakeValues;
 use App\Entity\DocumentObject;
 use Doctrine\ORM\EntityRepository;
 use Symfony\Component\HttpKernel\KernelInterface;
@@ -62,8 +63,11 @@ final class DocumentObjectFactory extends ModelFactory
         $randBool = (bool)random_int(0, 1);
         return [
             'file' => new ReplacingFile($randomFile),
+            'createdBy' => UserFactory::random(),
+            'name' => self::faker()->randomElement(FakeValues::BUSINESS_FILE_NAMES),
+            'description' => self::faker()->text(),
             'partner' => $randBool ? PartnerFactory::random() : null,
-            'product' => !$randBool ? ProductFactory::random() : null
+            'product' => !$randBool ? ProductFactory::random() : null,
         ];
     }
 
diff --git a/src/Filter/SearchMultiFieldsFilter.php b/src/Filter/SearchMultiFieldsFilter.php
new file mode 100644
index 0000000..7e1e5ed
--- /dev/null
+++ b/src/Filter/SearchMultiFieldsFilter.php
@@ -0,0 +1,199 @@
+<?php
+/**
+ * @author Daniel Knudsen <d.knudsen@spawntree.de>
+ * @date 22.03.24
+ */
+// https://gist.github.com/axelvnk/edf879af5c7dbd9616a4eeb77c7181a3
+
+namespace App\Filter;
+
+
+use ApiPlatform\Api\IdentifiersExtractorInterface;
+use ApiPlatform\Api\IriConverterInterface;
+use ApiPlatform\Doctrine\Common\Filter\SearchFilterInterface;
+use ApiPlatform\Doctrine\Common\Filter\SearchFilterTrait;
+use ApiPlatform\Doctrine\Orm\Filter\AbstractFilter;
+use ApiPlatform\Doctrine\Orm\Util\QueryNameGeneratorInterface;
+use ApiPlatform\Exception\InvalidArgumentException;
+use ApiPlatform\Metadata\Operation;
+use Closure;
+use Doctrine\ORM\Query\Expr\Join;
+use Doctrine\ORM\QueryBuilder;
+use Doctrine\Persistence\ManagerRegistry;
+use Psr\Log\LoggerInterface;
+use Symfony\Component\PropertyAccess\PropertyAccess;
+use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
+use Symfony\Component\Serializer\NameConverter\NameConverterInterface;
+
+final class SearchMultiFieldsFilter extends AbstractFilter implements SearchFilterInterface
+{
+    use SearchFilterTrait;
+
+    public function __construct(
+        ManagerRegistry $managerRegistry,
+        IriConverterInterface $iriConverter,
+        ?PropertyAccessorInterface $propertyAccessor = null,
+        ?LoggerInterface $logger = null,
+        ?array $properties = null,
+        ?IdentifiersExtractorInterface $identifiersExtractor = null,
+        ?NameConverterInterface $nameConverter = null,
+        public string $searchParameterName = 'search',
+    ) {
+        parent::__construct($managerRegistry, $logger, $properties, $nameConverter);
+
+        $this->iriConverter = $iriConverter;
+        $this->identifiersExtractor = $identifiersExtractor;
+        $this->propertyAccessor = $propertyAccessor ?? PropertyAccess::createPropertyAccessor();
+    }
+
+    protected function getIriConverter(): IriConverterInterface
+    {
+        return $this->iriConverter;
+    }
+
+    protected function getPropertyAccessor(): PropertyAccessorInterface
+    {
+        return $this->propertyAccessor;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function filterProperty(
+        string $property,
+        mixed $value,
+        QueryBuilder $queryBuilder,
+        QueryNameGeneratorInterface $queryNameGenerator,
+        string $resourceClass,
+        ?Operation $operation = null,
+        array $context = [],
+    ): void {
+        if (
+            null === $value
+            || $property !== $this->searchParameterName
+        ) {
+            return;
+        }
+
+        $alias = $queryBuilder->getRootAliases()[0];
+        $ors = [];
+        $count = 0;
+
+        foreach (($this->getProperties() ?? []) as $prop => $caseSensitive) {
+            $filter = $this->generatePropertyOrWhere(
+                $queryBuilder,
+                $queryNameGenerator,
+                $alias,
+                $prop,
+                $value,
+                $resourceClass,
+                $count,
+                $caseSensitive ?? false,
+            );
+
+            if (null === $filter) {
+                continue;
+            }
+
+            [$expr, $exprParams] = $filter;
+            $ors[] = $expr;
+
+            $queryBuilder->setParameter($exprParams[1], $exprParams[0]);
+
+            ++$count;
+        }
+
+        $queryBuilder->andWhere($queryBuilder->expr()->orX(...$ors));
+    }
+
+    protected function generatePropertyOrWhere(
+        QueryBuilder $queryBuilder,
+        QueryNameGeneratorInterface $queryNameGenerator,
+        string $alias,
+        string $property,
+        string $value,
+        string $resourceClass,
+        int $key,
+        bool $caseSensitive = false,
+    ): ?array {
+        if (
+            !$this->isPropertyEnabled($property, $resourceClass)
+            || !$this->isPropertyMapped($property, $resourceClass, true)
+        ) {
+            return null;
+        }
+
+        $field = $property;
+        $associations = [];
+
+        if ($this->isPropertyNested($property, $resourceClass)) {
+            [$alias, $field, $associations] = $this->addJoinsForNestedProperty(
+                $property,
+                $alias,
+                $queryBuilder,
+                $queryNameGenerator,
+                $resourceClass,
+                Join::INNER_JOIN,
+            );
+        }
+
+        $metadata = $this->getNestedMetadata($resourceClass, $associations);
+
+        if (
+            'id' === $field
+            || !$metadata->hasField($field)
+        ) {
+            return null;
+        }
+
+        $wrapCase = $this->createWrapCase($caseSensitive);
+        $valueParameter = ':' . $queryNameGenerator->generateParameterName($field);
+        $aliasedField = sprintf('%s.%s', $alias, $field);
+        $keyValueParameter = sprintf('%s_%s', $valueParameter, $key);
+
+        return [
+            $queryBuilder->expr()->like(
+                $wrapCase($aliasedField),
+                $wrapCase((string) $queryBuilder->expr()->concat("'%'", $keyValueParameter, "'%'")),
+            ),
+            [$caseSensitive ? $value : strtolower($value), $keyValueParameter],
+        ];
+    }
+
+    protected function createWrapCase(bool $caseSensitive): Closure
+    {
+        return static function (string $expr) use ($caseSensitive): string {
+            if ($caseSensitive) {
+                return $expr;
+            }
+
+            return sprintf('LOWER(%s)', $expr);
+        };
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function getType(string $doctrineType): string
+    {
+        return 'string';
+    }
+
+    public function getDescription(string $resourceClass): array
+    {
+        $props = $this->getProperties();
+
+        if (null === $props) {
+            throw new InvalidArgumentException('Properties must be specified');
+        }
+
+        return [
+            $this->searchParameterName => [
+                'property' => implode(', ', array_keys($props)),
+                'type' => 'string',
+                'required' => false,
+                'description' => 'Recherche sur les propriétés spécifiées.',
+            ],
+        ];
+    }
+}
\ No newline at end of file