🏅 Issue Volunteer Certificate

Endpoint: POST /api/admin/volunteers/events/{event_id}/certificates/
Auth Required: ✅ Yes (Admin Bearer Token)
Content-Type: application/json

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📌 Description

This endpoint allows administrators to issue participation certificates to volunteers who successfully attended a volunteer event.

Certificates serve as official recognition of civic contribution and are recorded permanently in the user’s participation history.

Only volunteers marked as attended are eligible for certificate issuance.

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🔐 Authentication

Include the admin access token in the request header:

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🔗 Path Parameter

Parameter	Type	Required	Description
event_id	UUID	✅	Volunteer event ID

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🧾 Request Body

```json { "user_ids": [ "usr-341", "usr-529" ] }