

There are more AWS SDK examples available in the [AWS Doc SDK Examples](https://github.com/awsdocs/aws-doc-sdk-examples) GitHub repo.

# Use `AddApplicationInput` with an AWS SDK
<a name="kinesis-analytics-v2_example_kinesis-analytics-v2_AddApplicationInput_section"></a>

The following code example shows how to use `AddApplicationInput`.

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#### [ Python ]

**SDK for Python (Boto3)**  
 There's more on GitHub. Find the complete example and learn how to set up and run in the [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/python/example_code/kinesis-analytics-v2#code-examples). 

```
class KinesisAnalyticsApplicationV2:
    """Encapsulates Kinesis Data Analytics application functions."""

    def __init__(self, analytics_client):
        """
        :param analytics_client: A Boto3 Kinesis Data Analytics v2 client.
        """
        self.analytics_client = analytics_client
        self.name = None
        self.arn = None
        self.version_id = None
        self.create_timestamp = None


    def add_input(self, input_prefix, stream_arn, input_schema):
        """
        Adds an input stream to the application. The input stream data is mapped
        to an in-application stream that can be processed by your code running in
        Kinesis Data Analytics.

        :param input_prefix: The prefix prepended to in-application input stream names.
        :param stream_arn: The ARN of the input stream.
        :param input_schema: A schema that maps the data in the input stream to the
                             runtime environment. This can be automatically generated
                             by using `discover_input_schema` or you can create it
                             yourself.
        :return: Metadata about the newly added input.
        """
        try:
            response = self.analytics_client.add_application_input(
                ApplicationName=self.name,
                CurrentApplicationVersionId=self.version_id,
                Input={
                    "NamePrefix": input_prefix,
                    "KinesisStreamsInput": {"ResourceARN": stream_arn},
                    "InputSchema": input_schema,
                },
            )
            self.version_id = response["ApplicationVersionId"]
            logger.info("Add input stream %s to application %s.", stream_arn, self.name)
        except ClientError:
            logger.exception(
                "Couldn't add input stream %s to application %s.", stream_arn, self.name
            )
            raise
        else:
            return response
```
+  For API details, see [AddApplicationInput](https://docs.aws.amazon.com/goto/boto3/kinesisanalyticsv2-2018-05-23/AddApplicationInput) in *AWS SDK for Python (Boto3) API Reference*. 

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