workflow · how to

Link a Slack Canvas to knowledge

Follow the link a slack canvas to knowledge workflow in Slack.

Goal

Link a Slack canvas to your brand knowledge base so draft generation, search, and AI-assisted Create can use that content. Linked canvases ingest in the background and stay searchable after updates.

When to use this

Use this workflow when strategy docs, campaign briefs, or reference notes already live in Slack canvases and you want them in Slash Social knowledge without manual copy-paste. Also use canvas search when you need to find an existing linked canvas before you attach or re-sync it.

Before you begin

  • You need admin access to link canvases. Unauthorized users do not see Link Canvas or the action fails to open the modal.
  • Have a Slack canvas URL or file ID ready.
  • Decide scope before you submit: brand-wide, a specific pillar, or a campaign when applicable.
  • This flow is not available in every workspace. If Link Canvas is missing, your plan or role may not include it yet.

Pick the narrowest scope that still matches how the content should be used. Use brand-wide for evergreen voice and positioning notes, pillar scope for recurring content themes, and campaign scope for briefs that should only influence one launch or promotion.

Steps

  1. From App Home, open Settings or the Knowledge Base hub.
  2. Choose Link Canvas.

Only authorized admins reach the canvas link modal. If nothing opens, confirm your role with a workspace admin.

  1. Pick the link method the modal offers: paste a URL, run search, or select a channel canvas when listed.
  2. Select scope: brand-wide, a specific pillar, or a campaign when the modal shows those options.
  3. Submit.

Slash Social schedules background ingestion so canvas text becomes searchable in the knowledge base. Large canvases may take longer to process; you can continue working while ingestion runs.

Which link method to use

  • URL: Fastest when you already copied the canvas link from Slack.
  • Search: Use when you know keywords but not the exact URL.
  • Channel canvas: Use when the canvas is tied to a channel you manage.

Search linked canvases before or after linking

  1. From the knowledge base area, open canvas search.
  2. Enter a query and submit. Results rank matching canvases with preview actions.
  3. Open a preview to confirm the canvas content before you link or re-sync.

Search requires a non-empty query. Results update the modal with either ranked hits or a no-results state. Use preview when you are unsure which canvas is correct.

Confirm ingestion

After you link, wait for ingestion to finish before you expect results in knowledge search or AI context. Re-open canvas search to verify the canvas appears. Edits in Slack may require re-sync or a new ingest cycle depending on how stale the binding is.

Success criteria

Linking worked when:

  • You see a confirmation that the canvas linked successfully.
  • Canvas search returns the linked canvas for relevant queries after ingestion completes.
  • Draft or import flows that pull knowledge include content from the linked scope (brand, pillar, or campaign you chose).
  • Preview actions open the expected canvas before you commit to another link.

Troubleshooting

Link Canvas is missing

Your role may not include admin access to link canvases, or the feature is not enabled for your workspace yet. Ask an admin to link on your behalf or confirm entitlement with your account owner.

Modal does not open after you click Link Canvas

Confirm you clicked Link Canvas from Settings or Knowledge Base, not a channel message. Retry once; if the modal still fails, open App Home and return to Settings.

Search returns no results

Check spelling and brand context. Search enforces a query and resolves brand before lookup. Try broader keywords or link by URL instead.

Linked canvas content is outdated

Edit the canvas in Slack, then allow time for background ingestion to refresh. Re-run canvas search and open preview to confirm new text appears.

You need broader knowledge setup

For maintenance beyond single canvases, see Knowledge Base and Knowledge base and brand voice.

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