params.sample.json

{
    "NLU_APIKEY": "<NLU apikey>",
    "NLU_URL": "<NLU URL>",    

    "VISUAL_RECOGNITION_IAM_APIKEY": "<Visual Recognition IAM API Key>",

    "SLACK_VERIFICATION_TOKEN": "<Slack Verification Token>",
    "SLACK_ACCESS_TOKEN": "<Slack OAuth Access Token>",

    "SLACK_MESSAGE_POST_URL": "https://slack.com/api/chat.postMessage",
    "SLACK_MESSAGE_DELETE_URL": "https://slack.com/api/files.delete"
}