Added customer po master model file

app/Models/CustomerPoMaster.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\SoftDeletes;
+
+class CustomerPoMaster extends Model
+{
+    use SoftDeletes;
+
+    protected $fillable = [
+        'plant_id',
+		'item_id',
+        'customer_po',
+        'customer_name',
+        'quantity',
+        'created_at',
+		'updated_at',
+		'created_by',
+    ];
+
+    public function plant(): BelongsTo
+    {
+        return $this->belongsTo(Plant::class);
+    }
+
+    public function item(): BelongsTo
+    {
+        return $this->belongsTo(Item::class);
+    }
+}