Modify relationship data before inserting/creating

So I do have a resource, with a form with multiple text inputs. In that form I made a fieldset that links to a relation

Forms\Components\Fieldset::make(self::$relationName)
                    ->relationship(self::$relationName)
                    ->label('Pagina informatie')
                    ->schema([
                        Forms\Components\TextInput::make('meta_title')
                             ->label('Meta title')
                             ->required(),
                        Forms\Components\TextInput::make('meta_description')
                             ->label('Meta description')
                             ->required(),
                    ])

Forms\Components\Fieldset::make(self::$relationName)
                    ->relationship(self::$relationName)
                    ->label('Pagina informatie')
                    ->schema([
                        Forms\Components\TextInput::make('meta_title')
                             ->label('Meta title')
                             ->required(),
                        Forms\Components\TextInput::make('meta_description')
                             ->label('Meta description')
                             ->required(),
                    ])

As you can see, in there I have 2 inputs in there. Now when I click on create in Filament, I want to modify the data from the text input. Normally I would modify the data in the app\Filament\Resources\MyResource\Pages\CreateMyResourcePage.php using the mutateFormDataBeforeCreate(array $data) method. But in the $data of the mutateFormDataBeforeCreate method, I do not have access to the relationship properties <a:aPES_Think:493353113332219924> So how would I modify it?

2 Replies

wyChoong•2y ago

->mutateRelationshipDataBeforeCreateUsing(fn() => your code) to the fieldset

FinnOP•2y ago

Thanks! I will try this when I am at my laptop 👍

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Modify relationship data before inserting/creating