* Document member ID retrieval in house
* Normalise usage of member vs user
* Change instructions to ordered list
* Update source/_integrations/slack.markdown
Co-authored-by: c0ffeeca7 <38767475+c0ffeeca7@users.noreply.github.com>
* Update slack.markdown
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Co-authored-by: c0ffeeca7 <38767475+c0ffeeca7@users.noreply.github.com>