# Sandbox.Bind.Builder.ReadOnly

```csharp
Builder ReadOnly(bool makeReadOnly = True)
```

Makes the bind link one way. The system will not try to write to the target/right hand property. (The one you set via "From" methods)

### Parameters

- `makeReadOnly` (`bool`), default `True`

### Returns

`Builder`

Declared in [Sandbox.Bind.Builder](/api/Sandbox.Bind.Builder).
Assembly: `Sandbox.Bind`.
