diff --git a/config/services/api_platform.yaml b/config/services/api_platform.yaml
index 7ef6df7..a9eed1a 100644
--- a/config/services/api_platform.yaml
+++ b/config/services/api_platform.yaml
@@ -213,7 +213,7 @@ services:
 
     api_platform.filter.pxe_template.boolean:
         parent: 'api_platform.doctrine.orm.boolean_filter'
-        arguments: [ { 'synchronized': ~ } ]
+        arguments: [ { 'synchronized': ~, 'isDefault': ~ } ]
         tags: [ 'api_platform.filter' ]
 
     api_platform.filter.remote_calendar.order:
diff --git a/migrations/Version20250506141057.php b/migrations/Version20250506141057.php
new file mode 100644
index 0000000..0fd654f
--- /dev/null
+++ b/migrations/Version20250506141057.php
@@ -0,0 +1,33 @@
+<?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 Version20250506141057 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 client DROP FOREIGN KEY FK_C74404555DA0FB8');
+        $this->addSql('ALTER TABLE client ADD CONSTRAINT FK_C74404555DA0FB8 FOREIGN KEY (template_id) REFERENCES pxe_template (id) ON DELETE SET NULL');
+    }
+
+    public function down(Schema $schema): void
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->addSql('ALTER TABLE client DROP FOREIGN KEY FK_C74404555DA0FB8');
+        $this->addSql('ALTER TABLE client ADD CONSTRAINT FK_C74404555DA0FB8 FOREIGN KEY (template_id) REFERENCES pxe_template (id)');
+    }
+}
diff --git a/src/Dto/Input/PxeTemplateInput.php b/src/Dto/Input/PxeTemplateInput.php
index 3474781..58d4946 100644
--- a/src/Dto/Input/PxeTemplateInput.php
+++ b/src/Dto/Input/PxeTemplateInput.php
@@ -18,6 +18,10 @@ final class PxeTemplateInput
     #[ApiProperty(description: 'The content of the pxeTemplate', example: "content of the pxeTemplate 1")]
     public ?string $templateContent = null;
 
+    #[Groups(['pxe-template:write'])]
+    #[ApiProperty(description: 'The default pxeTemplate', example: "true")]
+    public ?bool $isDefault = null;
+
     public function __construct(?PxeTemplate $pxeTemplate = null)
     {
         if (!$pxeTemplate) {
@@ -26,6 +30,7 @@ final class PxeTemplateInput
 
         $this->name = $pxeTemplate->getName();
         $this->templateContent = $pxeTemplate->getTemplateContent();
+        $this->isDefault = $pxeTemplate->isDefault();
     }
 
     public function createOrUpdateEntity(?PxeTemplate $pxeTemplate = null): PxeTemplate
@@ -36,6 +41,7 @@ final class PxeTemplateInput
 
         $pxeTemplate->setName($this->name);
         $pxeTemplate->setTemplateContent($this->templateContent);
+        $pxeTemplate->setDefault($this->isDefault);
 
         return $pxeTemplate;
     }
diff --git a/src/Dto/Output/PxeTemplateOutput.php b/src/Dto/Output/PxeTemplateOutput.php
index 41cbbe0..f625215 100644
--- a/src/Dto/Output/PxeTemplateOutput.php
+++ b/src/Dto/Output/PxeTemplateOutput.php
@@ -20,6 +20,9 @@ final class PxeTemplateOutput extends AbstractOutput
     #[Groups(['pxe-template:read'])]
     public ?string $templateContent = '';
 
+    #[Groups(['pxe-template:read'])]
+    public ?bool $isDefault = null;
+
     #[Groups(['pxe-template:read'])]
     public ?int $clientsLength = 0;
 
@@ -37,6 +40,7 @@ final class PxeTemplateOutput extends AbstractOutput
         $this->synchronized = $pxeTemplate->isSynchronized();
         $this->templateContent = $pxeTemplate->getTemplateContent();
         $this->clientsLength = $pxeTemplate->getClients()->count();
+        $this->isDefault = $pxeTemplate->isDefault();
         $this->createdAt = $pxeTemplate->getCreatedAt();
         $this->createdBy = $pxeTemplate->getCreatedBy();
     }
diff --git a/src/Entity/PxeTemplate.php b/src/Entity/PxeTemplate.php
index 5a3efaa..bfd9745 100644
--- a/src/Entity/PxeTemplate.php
+++ b/src/Entity/PxeTemplate.php
@@ -26,6 +26,9 @@ class PxeTemplate extends AbstractEntity
     #[ORM\OneToMany(mappedBy: 'template', targetEntity: Client::class)]
     private Collection $clients;
 
+    #[ORM\Column(nullable: true)]
+    private ?bool $isDefault = null;
+
     public function __construct()
     {
         parent::__construct();
@@ -82,4 +85,16 @@ class PxeTemplate extends AbstractEntity
 
         return $this;
     }
+
+    public function isDefault(): ?bool
+    {
+        return $this->isDefault;
+    }
+
+    public function setDefault(?bool $isDefault): static
+    {
+        $this->isDefault = $isDefault;
+
+        return $this;
+    }
 }