---
module: [kind=event] peripheral_detach
see: peripheral For the event fired when a peripheral is attached.
---

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SPDX-FileCopyrightText: 2021 The CC: Tweaked Developers

SPDX-License-Identifier: MPL-2.0
-->

The [`peripheral_detach`] event is fired when a peripheral is detached from a side or from a modem.

## Return Values
1. [`string`]: The event name.
2. [`string`]: The side the peripheral was detached from.

## Example
Prints a message when a peripheral is detached:
```lua
while true do
  local event, side = os.pullEvent("peripheral_detach")
  print("A peripheral was detached on side " .. side)
end
```