Create GCS_Bucket.md

docs/6. FAQ/GCS_Bucket.md

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+> ### **3 minute read                                                                                                                         `Beginner`**
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+
+## What's the reason for setting the GCS bucket to public?
+
+The `GCS (Google Cloud Storage)` bucket is set to public to make it easier to share files—like PDFs, images, videos etc — without needing user authentication. 
+
+This is especially useful when files need to be accessed directly through chatbot flows or shared publicly with partners and beneficiaries.
+When a file is public, anyone with the link can open or download it without logging in. This avoids errors or delays caused by restricted access.
+
+Example:
+
+If an NGO’s bot sends a PDF through a the chatbot, and the file is stored in a public bucket, the end user can simply tap the link and view it — no login or permission required.
+Note: Only non-sensitive, public-facing files should be stored in the public bucket. Private or personal data should always be stored securely with proper access controls.
+
+## Is it possible to keep my GCS bucket private instead of making it public?
+
+It's perfectly fine to keep your `GCS bucket` private as long as you don't plan to share any content publicly.
+
+However, if you need to send media as attachments (instead of sharing via links), the bucket would need to be public for access.
+
+Also, just to clarify — `BigQuery tables` and `GCS buckets` serve different purposes.
+
+- BigQuery tables are used to store structured data (like databases).
+- GCS buckets are used to store media files such as images, audio, and documents.
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