bcquality/community/knowledge/agents/set-instructions-as-secrettext.md
Jesper Schulz-Wedde 2b5550c346
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Improve partner onboarding and documentation navigation (#174)
Lead with a complete plugin quick start and add task-oriented usage, troubleshooting, customization, and contribution guides. Preserve the broader plugin framing, correct conflicting contract guidance, support Agents folder reviews, and align repository validation. Convert existing sample references to clickable links without changing knowledge rules.

Co-authored-by: Jesper Schulz-Wedde <jesper.schulzwedde@microsoft.com>
Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
2026-09-09 17:31:03 +02:00

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---
bc-version: [27..]
domain: agents
keywords: [setinstructions, secrettext, instructions, per-instance, resource]
technologies: [al]
countries: [w1]
application-area: [all]
---
# Set agent instructions as SecretText on the instance
## Description
Instructions are instance data, not an enum caption. `Agent.SetInstructions` takes `SecretText` so the payload is not logged or copied as ordinary text. A Label or plaintext Text on the agent type is the wrong store: it leaks into telemetry-friendly strings and cannot vary per instance or company.
## Best Practice
Load instruction text from a resource or builder into a `SecretText` variable and call `Agent.SetInstructions(AgentUserSecurityId, Instructions)` after `Create`. Keep one instruction document per instance.
See sample: [`set-instructions-as-secrettext.good.al`](set-instructions-as-secrettext.good.al).
## Anti Pattern
Passing a `Label` or `Text` to `SetInstructions`, storing instructions in a setup Text field without wrapping as `SecretText`, or putting the prompt only in a code comment. Detection signal: `SetInstructions` with a non-`SecretText` argument, or no `SetInstructions` after `Create`.
See sample: [`set-instructions-as-secrettext.bad.al`](set-instructions-as-secrettext.bad.al).