automl_client = automl.AutoMlClient()
prediction_client = automl.PredictionServiceClient()
model_full_id = automl_client.model_path(
    project_id, compute_region, model_id
)
snippet = str(request.get_json())
payload = {"text_snippet": {"content": snippet, "mime_type": "text/plain"}}
response = prediction_client.predict(model_full_id, payload, params)
# Set CORS headers for the preflight request
if request.method == 'OPTIONS':
    # Allows GET requests from any origin with the Content-Type
    # header and caches preflight response for an 3600s
    headers = {
        'Access-Control-Allow-Origin': '*',
        'Access-Control-Allow-Methods': 'GET',
        'Access-Control-Allow-Headers': 'Content-Type',
        'Access-Control-Max-Age': '3600'
    }

    return ('', 204, headers)

# Set CORS headers for the main request
headers = {
    'Access-Control-Allow-Origin': '*'
}

return (response.data, 200, headers)