Added model file of invoice data validation

app/Models/InvoiceDataValidation.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class InvoiceDataValidation extends Model
+{
+    use SoftDeletes;
+
+    protected $fillable = [
+        "plant_id",
+        "distribution_channel_desc",
+        "customer_code",
+        "document_number",
+        "document_date",
+        "customer_trade_name",
+        "customer_location",
+        "created_at",
+        "created_by",
+        "updated_by",
+        "updated_at"
+    ];
+
+    public function plant(): BelongsTo
+    {
+        return $this->belongsTo(Plant::class);
+    }
+
+}