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Reject a Coupa approval after a Slack decision

Turn a documented Slack decision into a completed Coupa rejection.

Trigger

Channel Message Received

Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.

Action

Reject Approval

Tool to reject an approval. Use when you need to programmatically reject a pending approval by ID.

Why this helps

Teams agree in Slack but leave the actual Coupa approval untouched.

  • Closes the loop after discussion
  • Reduces stale approvals
  • Leaves a clear run report

Setup

Build it in a few focused steps.

  • 1Connect Slackbot and Coupa once in Notis.
  • 2Create an automation named Slack decision to Coupa rejection.
  • 3Tell Notis to reject the stated Coupa approval only when the message clearly records an authorized rejection decision.
  • 4Pick Channel Message Received as the trigger.
  • 5Choose where run reports go and test with one real decision message.

Questions about this workflow

How do I avoid accidental rejection?

Require an explicit decision phrase, a Coupa approval ID, and an authorized sender in the instruction.

Can Notis explain failures?

Yes. It can report the Coupa response and the reason an action was not completed.

When this happens · Trigger

Do this · Action

Supported Triggers and Actions

Notis builds workflows that link Slackbot to Coupa. A trigger fires from one place; an action lands in another.

Slackbot triggers

Coupa actions

Recurring trigger

Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.

TriggerScheduled

Abandon Invoice

Tool to abandon an invoice. Use when an invoice is invalid and needs to be abandoned. Invoice once abandoned cannot be reversed.

ActionInstant

Webhook trigger

Notis starts this workflow when an external tool or custom backend sends an HTTP request.

TriggerInstant

Create Account

Tool to create a Coupa account. Use when you need to provision a new general ledger account with a specific chart-of-accounts type and code segments.

ActionInstant

New Channel Created Trigger

Triggered when a new channel is created in Slack.

TriggerInstant

List Accounts

Tool to list accounts from Coupa. Use when you need to retrieve account IDs and codes with optional filters and pagination.

ActionInstant

Channel Message Received

Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.

TriggerInstant

Get Recent Accounts

Tool to retrieve recently accessed accounts from Coupa. Use when you need to view accounts that the user has recently interacted with.

ActionInstant

Direct Message Received

Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.

TriggerInstant

Get Account

Tool to retrieve a specific account by ID. Use when you need detailed account information including segments, type, and status.

ActionInstant

Message Reaction Added

Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.

TriggerInstant

Update Account

Tool to update an existing Coupa account. Use when you need to modify account information including account type, activation status, code segments, and display name.

ActionInstant

Message Reaction Removed

Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.

TriggerInstant

List Account Types

Tool to list account types in Coupa. Use when you need account type IDs and names for account creation.

ActionInstant

Reaction Added Trigger

DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.

TriggerInstant

Get Account Type

Tool to retrieve a specific account type by ID. Use when you need detailed information about a chart of accounts.

ActionInstant

Connect any two apps with Notis in the middle.

Slackbot and Coupa, or any other combination from 1,000+ integrations.

When this happens · Trigger

Do this · Action

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