Enable CLI

Step 1: Login to JIRA as an administrator

Step 2: Select  on the top menu > choose System

Step 3: At the right hand side, scroll down until "Slack Integration" option > choose App setting

Step 4: Select the Slack CLI tab and click on Enable checkbox

Step 5: Copy WebHook url from Slack CLI tab: http://35.226.195.57:8080/rest/slack/1.0/event-handler/web-hook

Setup web-hook

Step 1: Login to Slack

Step 2: Navigate to https://my.slack.com/services/new/outgoing-webhook

Step 3: Scroll down a bit and click on 

Step 4: Continue scroll down until "Integration Settings" option 

Step 5: 

- Choose Optional channel to listen on.

- Enter "--jira" value for trigger words

- Paste WebHook url: http://35.226.195.57:8080/rest/slack/1.0/event-handler/web-hook

References:

Sign in with Slack

Step 1: Login to JIRA as an administrator

Step 2: Select  on the top menu > choose Profile

Step 3: Connect Slack user by clicking on  button 

Step 4: Confirm your identity

Step 5: JIRA will save your Slack user information into DB

Double check on Slack application

Step 1: Login to Slack

Step 2: Navigate to setup channel (e.g : test-cli)

Step 3: Use the following slack command --jira get-issue SC-9