How to set the value of the relationship form based on the parent form?

I'm trying to pre-fill a relationship form based on the parent form.
Tried with the following, but the form field inside the relationship is not populated. (Here slug field inside the schema of relationship)

TextInput::make('title')
    ->live()
    ->afterStateUpdated(fn (Set $set, ?string $state) => $set('slug', $state))
    
TextInput::make('slug')

TextInput::make('title')
    ->live()
    ->afterStateUpdated(fn (Set $set, ?string $state) => $set('slug', $state))
    
TextInput::make('slug')

TextInput::make('title')
    ->live()
    ->afterStateUpdated(fn (Set $set, ?string $state) => $set('slug', $state))
    
TextInput::make('slug')

TextInput::make('title')
    ->live()
    ->afterStateUpdated(fn (Set $set, ?string $state) => $set('slug', $state))
    
TextInput::make('slug')

Solution

I think this is your solution

https://filamentphp.com/docs/3.x/forms/fields/repeater#using-get-to-access-parent-field-values

If not, please share you form code

Repeater - Form Builder - Filament

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How to set the value of the relationship form based on the parent form?

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