diff --git a/database/factories/EpicFactory.php b/database/factories/EpicFactory.php
index 77c2607..df38e0b 100644
--- a/database/factories/EpicFactory.php
+++ b/database/factories/EpicFactory.php
@@ -1,9 +1,9 @@
 <?php
-
-declare(strict_types=1);
 /**
  * Playground
  */
+
+declare(strict_types=1);
 namespace Database\Factories\Playground\Matrix\Models;
 
 use Illuminate\Database\Eloquent\Factories\Factory;
diff --git a/database/migrations/2020_01_02_100001_create_matrix_epics_table.php b/database/migrations/2020_01_02_100001_create_matrix_epics_table.php
index f250f19..a0a9bd9 100644
--- a/database/migrations/2020_01_02_100001_create_matrix_epics_table.php
+++ b/database/migrations/2020_01_02_100001_create_matrix_epics_table.php
@@ -1,15 +1,18 @@
 <?php
-
-declare(strict_types=1);
 /**
  * Playground
  */
 
+declare(strict_types=1);
+
 use Illuminate\Database\Migrations\Migration;
 use Illuminate\Database\Query\Expression;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Support\Facades\Schema;
 
+/**
+ * \Playground\Matrix\Models\Epic
+ */
 return new class() extends Migration
 {
     /**
@@ -18,6 +21,7 @@
     public function up(): void
     {
         Schema::create('matrix_epics', function (Blueprint $table) {
+
             // Primary key
 
             $table->uuid('id')->primary();
@@ -89,13 +93,13 @@ public function up(): void
             $table->bigInteger('x')->nullable();
             $table->bigInteger('y')->nullable();
             $table->bigInteger('z')->nullable();
-            $table->decimal('r', 65, 10)->nullable()->default(null);
-            $table->decimal('theta', 10, 6)->nullable()->default(null);
-            $table->decimal('rho', 10, 6)->nullable()->default(null);
-            $table->decimal('phi', 10, 6)->nullable()->default(null);
-            $table->decimal('elevation', 65, 10)->nullable()->default(null);
-            $table->decimal('latitude', 8, 6)->nullable()->default(null);
-            $table->decimal('longitude', 9, 6)->nullable()->default(null);
+            $table->decimal('r', 65, 10)->nullable();
+            $table->decimal('theta', 10, 6)->nullable();
+            $table->decimal('rho', 10, 6)->nullable();
+            $table->decimal('phi', 10, 6)->nullable();
+            $table->decimal('elevation', 65, 10)->nullable();
+            $table->decimal('latitude', 8, 6)->nullable();
+            $table->decimal('longitude', 9, 6)->nullable();
 
             // Flags
 
@@ -103,6 +107,7 @@ public function up(): void
             $table->boolean('canceled')->default(0);
             $table->boolean('closed')->default(0);
             $table->boolean('completed')->default(0);
+            $table->boolean('cron')->default(0)->index();
             $table->boolean('duplicate')->default(0);
             $table->boolean('fixed')->default(0);
             $table->boolean('flagged')->default(0);
@@ -118,19 +123,19 @@ public function up(): void
             $table->boolean('suspended')->default(0);
             $table->boolean('unknown')->default(0);
 
-            // Strings
+            // Columns
 
             $table->string('label')->default('');
             $table->string('title')->default('');
             $table->string('byline')->default('');
-            $table->string('slug')->nullable()->default(null)->index();
+            $table->string('slug')->nullable()->index();
             $table->string('url')->default('');
             $table->string('description')->default('');
             $table->string('introduction')->default('');
             $table->mediumText('content')->nullable();
             $table->mediumText('summary')->nullable();
 
-            // UI
+            // Ui
 
             $table->string('icon')->default('');
             $table->string('image')->default('');
diff --git a/src/Models/Epic.php b/src/Models/Epic.php
index 3a35b15..454aee5 100644
--- a/src/Models/Epic.php
+++ b/src/Models/Epic.php
@@ -1,9 +1,9 @@
 <?php
-
-declare(strict_types=1);
 /**
  * Playground
  */
+
+declare(strict_types=1);
 namespace Playground\Matrix\Models;
 
 use Illuminate\Database\Eloquent\Relations\HasOne;
@@ -11,6 +11,108 @@
 
 /**
  * \Playground\Matrix\Models\Epic
+ *
+ * @property string $id
+ * @property ?scalar $created_by_id
+ * @property ?scalar $modified_by_id
+ * @property ?scalar $owned_by_id
+ * @property ?string $parent_id
+ * @property ?string $epic_type
+ * @property ?string $backlog_id
+ * @property ?string $board_id
+ * @property ?string $flow_id
+ * @property ?string $matrix_id
+ * @property ?string $milestone_id
+ * @property ?string $note_id
+ * @property ?string $project_id
+ * @property ?string $release_id
+ * @property ?string $roadmap_id
+ * @property ?string $source_id
+ * @property ?string $sprint_id
+ * @property ?string $tag_id
+ * @property ?string $team_id
+ * @property ?string $ticket_id
+ * @property ?string $version_id
+ * @property ?Carbon $created_at
+ * @property ?Carbon $updated_at
+ * @property ?Carbon $deleted_at
+ * @property ?Carbon $start_at
+ * @property ?Carbon $planned_start_at
+ * @property ?Carbon $end_at
+ * @property ?Carbon $planned_end_at
+ * @property ?Carbon $canceled_at
+ * @property ?Carbon $closed_at
+ * @property ?Carbon $embargo_at
+ * @property ?Carbon $fixed_at
+ * @property ?Carbon $postponed_at
+ * @property ?Carbon $published_at
+ * @property ?Carbon $released_at
+ * @property ?Carbon $resumed_at
+ * @property ?Carbon $resolved_at
+ * @property ?Carbon $suspended_at
+ * @property int $gids
+ * @property int $po
+ * @property int $pg
+ * @property int $pw
+ * @property bool $only_admin
+ * @property bool $only_user
+ * @property bool $only_guest
+ * @property bool $allow_public
+ * @property int $status
+ * @property int $rank
+ * @property int $size
+ * @property ?array $matrix
+ * @property ?int $x
+ * @property ?int $y
+ * @property ?int $z
+ * @property ?double $r
+ * @property ?double $theta
+ * @property ?double $rho
+ * @property ?double $phi
+ * @property ?double $elevation
+ * @property ?double $latitude
+ * @property ?double $longitude
+ * @property bool $active
+ * @property bool $canceled
+ * @property bool $closed
+ * @property bool $completed
+ * @property bool $duplicate
+ * @property bool $fixed
+ * @property bool $flagged
+ * @property bool $internal
+ * @property bool $locked
+ * @property bool $pending
+ * @property bool $planned
+ * @property bool $problem
+ * @property bool $published
+ * @property bool $released
+ * @property bool $retired
+ * @property bool $resolved
+ * @property bool $suspended
+ * @property bool $unknown
+ * @property bool $cron
+ * @property string $label
+ * @property string $title
+ * @property string $byline
+ * @property ?string $slug
+ * @property string $url
+ * @property string $description
+ * @property string $introduction
+ * @property ?string $content
+ * @property ?string $summary
+ * @property string $icon
+ * @property string $image
+ * @property string $avatar
+ * @property ?array $ui
+ * @property ?array $assets
+ * @property ?array $backlog
+ * @property ?array $board
+ * @property ?array $flow
+ * @property ?array $meta
+ * @property ?array $notes
+ * @property ?array $options
+ * @property ?array $roadmap
+ * @property ?array $sources
  */
 class Epic extends Model
 {
@@ -30,6 +132,7 @@ class Epic extends Model
         'backlog_id' => null,
         'board_id' => null,
         'flow_id' => null,
+        'matrix_id' => null,
         'milestone_id' => null,
         'note_id' => null,
         'project_id' => null,
@@ -55,8 +158,8 @@ class Epic extends Model
         'postponed_at' => null,
         'published_at' => null,
         'released_at' => null,
-        'resolved_at' => null,
         'resumed_at' => null,
+        'resolved_at' => null,
         'suspended_at' => null,
         'gids' => 0,
         'po' => 0,
@@ -69,7 +172,7 @@ class Epic extends Model
         'status' => 0,
         'rank' => 0,
         'size' => 0,
-        'matrix' => '',
+        'matrix' => '{}',
         'x' => null,
         'y' => null,
         'z' => null,
@@ -84,6 +187,7 @@ class Epic extends Model
         'canceled' => false,
         'closed' => false,
         'completed' => false,
+        'cron' => false,
         'duplicate' => false,
         'fixed' => false,
         'flagged' => false,
@@ -134,6 +238,7 @@ class Epic extends Model
         'backlog_id',
         'board_id',
         'flow_id',
+        'matrix_id',
         'milestone_id',
         'note_id',
         'project_id',
@@ -185,6 +290,7 @@ class Epic extends Model
         'canceled',
         'closed',
         'completed',
+        'cron',
         'duplicate',
         'fixed',
         'flagged',
@@ -217,7 +323,6 @@ class Epic extends Model
         'board',
         'flow',
         'meta',
-        'notes',
         'options',
         'roadmap',
         'sources',
@@ -260,7 +365,7 @@ protected function casts(): array
             'status' => 'integer',
             'rank' => 'integer',
             'size' => 'integer',
-            'matrix' => 'string',
+            'matrix' => 'array',
             'x' => 'integer',
             'y' => 'integer',
             'z' => 'integer',
@@ -275,6 +380,7 @@ protected function casts(): array
             'canceled' => 'boolean',
             'closed' => 'boolean',
             'completed' => 'boolean',
+            'cron' => 'boolean',
             'duplicate' => 'boolean',
             'fixed' => 'boolean',
             'flagged' => 'boolean',
@@ -350,6 +456,18 @@ public function flow(): HasOne
         );
     }
 
+    /**
+     * The matrix of the board.
+     */
+    public function matrix(): HasOne
+    {
+        return $this->hasOne(
+            Matrix::class,
+            'id',
+            'matrix_id'
+        );
+    }
+
     /**
      * The milestone of the epic.
      */
diff --git a/tests/Feature/Models/Epic/ModelTest.php b/tests/Feature/Models/Epic/ModelTest.php
index 14cf93c..105bb62 100644
--- a/tests/Feature/Models/Epic/ModelTest.php
+++ b/tests/Feature/Models/Epic/ModelTest.php
@@ -53,6 +53,11 @@ class ModelTest extends ModelCase
             'rule' => 'create',
             'modelClass' => \Playground\Matrix\Models\Flow::class,
         ],
+        'matrix' => [
+            'key' => 'matrix_id',
+            'rule' => 'create',
+            'modelClass' => \Playground\Matrix\Models\Matrix::class,
+        ],
         'milestone' => [
             'key' => 'milestone_id',
             'rule' => 'create',
diff --git a/tests/Unit/Models/Backlog/ModelTest.php b/tests/Unit/Models/Backlog/ModelTest.php
index 3f38dd0..2b8ce28 100644
--- a/tests/Unit/Models/Backlog/ModelTest.php
+++ b/tests/Unit/Models/Backlog/ModelTest.php
@@ -25,6 +25,7 @@ class ModelTest extends ModelCase
         'board',
         'epic',
         'flow',
+        'matrix',
         'milestone',
         'note',
         'project',
diff --git a/tests/Unit/Models/Board/ModelTest.php b/tests/Unit/Models/Board/ModelTest.php
index ff9b70a..02c1362 100644
--- a/tests/Unit/Models/Board/ModelTest.php
+++ b/tests/Unit/Models/Board/ModelTest.php
@@ -25,6 +25,7 @@ class ModelTest extends ModelCase
         'backlog',
         'epic',
         'flow',
+        'matrix',
         'milestone',
         'project',
         'release',
diff --git a/tests/Unit/Models/Epic/ModelTest.php b/tests/Unit/Models/Epic/ModelTest.php
index 92916a3..367200f 100644
--- a/tests/Unit/Models/Epic/ModelTest.php
+++ b/tests/Unit/Models/Epic/ModelTest.php
@@ -25,6 +25,7 @@ class ModelTest extends ModelCase
         'backlog',
         'board',
         'flow',
+        'matrix',
         'milestone',
         'project',
         'release',
diff --git a/tests/Unit/Models/Sprint/ModelTest.php b/tests/Unit/Models/Sprint/ModelTest.php
index 3bc330f..af9587f 100644
--- a/tests/Unit/Models/Sprint/ModelTest.php
+++ b/tests/Unit/Models/Sprint/ModelTest.php
@@ -26,6 +26,7 @@ class ModelTest extends ModelCase
         'board',
         'epic',
         'flow',
+        'matrix',
         'milestone',
         'project',
         'release',
diff --git a/tests/Unit/Models/Ticket/ModelTest.php b/tests/Unit/Models/Ticket/ModelTest.php
index f82da53..5cf0dfc 100644
--- a/tests/Unit/Models/Ticket/ModelTest.php
+++ b/tests/Unit/Models/Ticket/ModelTest.php
@@ -27,6 +27,7 @@ class ModelTest extends ModelCase
         'completedBy',
         'epic',
         'flow',
+        'matrix',
         'milestone',
         'project',
         'release',