Invoke AWS lambda function from slack channel | Slash Command Webhook

Function as a Service(FaaS) is the new era of cloud development which allows us to run code without provisioning or managing any servers. AWS provides lambda functions to build Serverless applications.
These applications require a trigger for execution, and once the execution is complete, they go back to sleep.
In this video we are going to explore how to trigger AWS Lambda Function using Slack Slash Command .
Prerequisite:
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Code:
----------
import json
import base64
from urllib.parse import unquote_plus
def lambda_handler(event, context):
TODO implement
print(event)
message=((base64.b64decode(event['body']).decode('utf-8')).split("text=")[1]).split("&")[0]
print(unquote_plus(message))
return {
'statusCode': 200,
'body': json.dumps('Hello from Lambda!')
}
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[@navyaa8290]

thanks..how do restrict slash command to particular channel?

[@avinash7003]

please do full project on spark