# SOURCE (Game Mode: migration.lst)

## Status

New 6.01.03

## Syntax

`SOURCE:x`

## Parameters

- x: Text (Old Source key)

## What it does

- This tag begins a source migration line and is used to identify the old source key as part of the migration to a new source key.
- The `SOURCE` tag is used in conjunction with the NEWKEY and version tags.

## Example

`SOURCE:Paizo - Guide To Pathfinder Society Organised Play 4.0`

Documentation built with Hugo using the Material theme.