# Anvil
Anvil interface.
```{figure} ../../images/anvil_interface.png
```


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## TRSAnvil
Main record to interact with the {ref}`Anvil` interface.


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## Anvil.Setup
```pascal
procedure Anvil.Setup;
```
Initializes Anvil variables.

```{note}
This is automatically called on the **Anvil** variable.
```


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## Anvil.IsOpen
```pascal
function TRSAnvil.IsOpen(): Boolean;
```
Returns true if the {ref}`Anvil` is open.

Example:
```pascal
WriteLn Anvil.IsOpen();
```


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## Anvil.WaitOpen
```pascal
function TRSAnvil.WaitOpen(time: Integer; interval: Integer = -1): Boolean;
```
Returns true if the {ref}`Anvil` is open within `time` milliseconds.

## Example:
```pascal
WriteLn Anvil.WaitOpen();
```


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## Anvil variable
Global {ref}`TRSAnvil` variable.