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# IB Bulletins

## Introduction

From time to time, IB sends out important News Bulletins via `EClient.reqNewsBulletins` which can be accessed via the TWS API. These are delivered via the `EWrapper.updateNewsBulletin` callback. Subscriptions can be cancelled using `EClient.cancelNewsBulletins`.

---

## Request IB Bulletins

`EClient.reqNewsBulletins(allMessages)`

Subscribes to IB's News Bulletins.

**`allMessages`** `bool`

If set to true, will return all the existing bulletins for the current day as well as any future updates.

---

\


#### Python

```python
self.reqNewsBulletins(True)
```

#### Java

```java
client.reqNewsBulletins(true);
```

#### C++

```cpp
m_pClient->reqNewsBulletins(true);
```

#### C\#

```csharp
client.reqNewsBulletins(true);
```

#### VB.NET

```vbnet
client.reqNewsBulletins(True)
```

---

## Receive IB Bulletins

`EWrapper.updateNewsBulletin(msgId, msgType, message, origExchange)`

Provides IB's news bulletins.

**`msgId`** `int`

The bulletin's identifier.

---

**`msgType`** `int`

One of: 1 - Regular news bulletin. 2 - Exchange no longer available for trading. 3 - Exchange is available for trading.

---

**`message`** `String`

The bulletin's body text.

---

**`origExchange`** `String`

The exchange from which this message originated.

---

\


#### Python

```python
def updateNewsBulletin(self, msgId: int, msgType: int, newsMessage: str, originExch: str):
	print("News Bulletins. MsgId:", msgId, "Type:", msgType, "Message:", newsMessage, "Exchange of Origin: ", originExch)
```

#### Java

```java
@Override
public void updateNewsBulletin(int msgId, int msgType, String message, String origExchange) {
	System.out.println(EWrapperMsgGenerator.updateNewsBulletin(msgId, msgType, message, origExchange));
}
```

#### C++

```cpp
void TestCppClient::updateNewsBulletin(int msgId, int msgType, const std::string& newsMessage, const std::string& originExch) {
    printf( "News Bulletins. MsgId: %d, Type: %d, Message: %s, Exchange of Origin: %s\n", msgId, msgType, newsMessage.c_str(), originExch.c_str());
}
```

#### C\#

```csharp
public virtual void updateNewsBulletin(int msgId, int msgType, string message, string origExchange)
{
	Console.WriteLine("MsgId: " + msgId + ", Type: " + msgType + ", Message: " + message + ", Exchange: " + origExchange);
}
```

#### VB.NET

```vbnet
Public Sub updateNewsBulletin(msgId As Integer, msgType As Integer, message As String, origExchange As String) Implements IBApi.EWrapper.updateNewsBulletin
	Console.WriteLine("MsgId: " & msgId & " MsgType: " & msgType & " Message: " & message & " OrigExchange: " & origExchange)
End Sub
```

---

## Cancel IB Bulletins

`EClient.cancelNewsBulletins()`

Cancels IB's news bulletin subscription.

#### Python

```python
self.cancelNewsBulletins()
```

#### Java

```java
client.cancelNewsBulletins();
```

#### C++

```cpp
m_pClient->cancelNewsBulletins();
```

#### C\#

```csharp
client.cancelNewsBulletins();
```

#### VB.NET

```vbnet
client.cancelNewsBulletins()
```