further development of the predefinedmutations

app/Models/Ledger.php

@@ -31,6 +31,11 @@ class Ledger extends Model
         return $this->hasMany(Mutation::class);
     }
 
+    public function predefinedMutations(): HasMany
+    {
+        return $this->hasMany(PredefinedMutation::class);
+    }
+
     public function media(): \Illuminate\Database\Eloquent\Relations\MorphMany
     {
         return $this->morphMany(Media::class, 'mediable');

app/Models/PredefinedMutation.php

@@ -11,15 +11,14 @@ class PredefinedMutation extends Model
     use HasFactory;
 
     protected $fillable = [
-        'dynamic_id',
+        'ledger_id',
         'name',
         'description',
         'amount',
-        'type',
     ];
 
-    public function dynamic(): BelongsTo
+    public function ledger(): BelongsTo
     {
-        return $this->belongsTo(Dynamic::class);
+        return $this->belongsTo(Ledger::class);
     }
 }