Define the output before writing the instruction
State what you need and who will use it. A one-page decision brief differs from meeting minutes or a customer email. Identify the information that must appear and what would make the output unacceptable. This preparation prevents repeated prompting around a task that has never been clearly specified.
Supply relevant context and boundaries
Provide approved material, explain the situation and name important constraints. Tell the tool what to do when information is missing, such as listing questions rather than inventing details. Avoid including unrelated documents simply because they are available. More input is not automatically better if it creates ambiguity about which facts and instructions matter.
Break complex work into reviewable stages
For a substantial task, first identify the relevant facts, then organise an outline and finally draft the output. Review the important points between stages. This makes errors easier to locate than asking for a finished report in one request. Keep ownership for approval clear throughout the workflow.
Improve the template using representative tasks
Test a prompt with several realistic examples, including incomplete information. Record the common corrections and adjust the instruction. A reusable template should make variable inputs obvious and include a quality checklist. Review it when the workflow changes; a prompt that worked once is not evidence that it fits every document or audience.
Worked example: A reusable briefing instruction
An illustrative prompt asks for a short internal briefing containing the decision, verified facts, options, uncertainties and next action. It requires the tool to flag unsupported information. The team tests the instruction against different non-sensitive examples and discovers that ownership is often missing. Adding a specific owner field improves the template’s usefulness without pretending that the AI can supply an unknown owner.
Put it into practice
- Specify the audience and output format.
- Include relevant approved context.
- Explain how to handle missing information.
- Test and review before sharing a template.