# WithPresentRW

> Specify all read-write component types that must be present, whether or not they are enabled on matching entities.

## Definition

* **Type:** Method
* **Namespace:** [Unity.Entities](/engine/7000.0/script-reference/unity/entities.md)
* **Assembly:** UnityEngine.EntitiesModule

## WithPresentRW\<T>()

Specify all read-write component types that must be present, whether or not they are enabled on matching entities.

```csharp
public SystemAPIQueryBuilder WithPresentRW<T1>()
```

### Returns

| Type                                                                                             | Description                                                         |
| ------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------- |
| [SystemAPIQueryBuilder](/engine/7000.0/script-reference/unity/entities/systemapiquerybuilder.md) | This query builder object, to allow chaining multiple method calls. |

## WithPresentRW\<T, U>()

Specify all read-write component types that must be present, whether or not they are enabled on matching entities.

```csharp
public SystemAPIQueryBuilder WithPresentRW<T1, T2>()
```

### Returns

| Type                                                                                             | Description                                                         |
| ------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------- |
| [SystemAPIQueryBuilder](/engine/7000.0/script-reference/unity/entities/systemapiquerybuilder.md) | This query builder object, to allow chaining multiple method calls. |