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44 lines
930 B
Plaintext
44 lines
930 B
Plaintext
---
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id: storage-from-update
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title: 'from.update()'
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slug: /storage-from-update
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custom_edit_url: https://github.com/supabase/supabase/edit/master/spec/supabase_dart_v1_legacy.yml
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---
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import Tabs from '@theme/Tabs'
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import TabItem from '@theme/TabItem'
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Replaces an existing file at the specified path with a new one.
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```dart
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final avatarFile = File('path/to/file');
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final res = await supabase
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.storage
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.from('avatars')
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.update('public/avatar1.png', avatarFile, fileOptions: FileOptions(
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cacheControl: '3600',
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upsert: false
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));
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```
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## Notes
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- Policy permissions required:
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- `buckets` permissions: none
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- `objects` permissions: `update` and `select`
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## Examples
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### Update file
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```dart
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final avatarFile = File('path/to/file');
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final res = await supabase
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.storage
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.from('avatars')
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.update('public/avatar1.png', avatarFile, fileOptions: FileOptions(
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cacheControl: '3600',
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upsert: false
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));
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```
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