Searchable Relationships in Tables

So if i have

Tables\Columns\TextColumn::make('user.name')
    ->label('Name')
    ->description(fn ($record) => $record->user->phone)
    ->searchable(),

Tables\Columns\TextColumn::make('user.name')
    ->label('Name')
    ->description(fn ($record) => $record->user->phone)
    ->searchable(),

, i cant simply add do

->searchable(['user.name','user.phone'])

->searchable(['user.name','user.phone'])

to add the phone field as a searchable attribute to it. Whats proper way to handle this?