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# Request Market Scanner Subscription

#### EClient.reqScannerSubscription (

**reqId:** int. Request identifier used for tracking data.

**subscription:** ScannerSubscription. Object containing details on what values should be used to construct and sort the list.

**scannerSubscriptionOptions:** List. Internal use only.

**scannerSubscriptionFilterOptions:** List. List of values used to filter the results of the scanner subscription. May result in an empty scanner response from over-filtering.\
)

Starts a subscription to market scan results based on the provided parameters.

#### Python

```python
self.reqScannerSubscription(7002, scannerSubscription, [], filterTagvalues)
```

#### Java

```java
client.reqScannerSubscription(7002, scannerSubscription, null, FilterTagValues);
```

#### C++

```cpp
m_pClient->reqScannerSubscription(7002, scannerSubscription, TagValueListSPtr(), filterTagValues);
```

#### C\#

```csharp
client.reqScannerSubscription(7002, scannerSubscription, null, filterTagValues);
```

#### VB.NET

```vbnet
client.reqScannerSubscription(7002, scannerSubscription, Nothing, filterTagValues)
```