> ## Documentation Index
> Fetch the complete documentation index at: https://fossabot.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# $(references)

Returns the parsed variable response from a custom command.

<Info>
  **Recursive `$(references)` invocations are blocked!**

  You may not call a `$(references)` variable from within another `$(references)` variable. This is to prevent service abuse.
</Info>

#### Parameters

This variable takes **one** *required* parameter that is the **name** of a custom command that should be referenced.

#### Example Output

Assuming an existing command of `!hello` with a response of `Hello $(user)!`, if invoked by the user `Fossabot`:

* `$(references hello)`

  ```
  Hello Fossabot!
  ```

#### Error Output

* In case a custom command does not exist:

  ```
  [Error: Command not found.]
  ```

* In case a command is not specified in the arguments:

  ```
  [Error: Input argument required.]
  ```


## Related topics

- [Creating a Lookalike](/docs/lookalikes/creating-lookalikes.md)
- [Flags](/docs/keywords/flags.md)
- [Variables](/docs/keywords/variables.md)


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