def upload_api_call_exec(file_id,file_name,user_id,extension):
	""" This function calls the Rest API to upload the file_id and other attributes to DynamoDB

	Parameters
	file_id : string
		The file_id which need to be created in DynamoDB.
	file_name : string
		The file_name corresponding to the file_id
	user_id : string
		The user_id corresponding to the file_id
	extension : string
		The extension of the file

	 """

	try:
		apiService_obj = ApiService()
		content_api_call = apiService_obj.content_to_api_call(file_id, file_name, user_id, extension)
		print("The content api-call is",content_api_call)
		response_post_api_call = apiService_obj.post_api_call(content_api_call,cf.constants['post_back_url'])
		print("Reached here 4")
		print("The response_post_api call is",response_post_api_call)
		return response_post_api_call
	except:
		print("Failure in calling API")
		return "failure"