Custom instructions template for work

Companion to the YouTube video “System prompts: the hidden instructions in every chatbot”

Custom instructions are your own version of a system prompt: a short briefing the chatbot reads alongside every chat. A five-part template to fill in once, and where to put it in each tool.

• A copy-ready template: role, audience, format, always and never, ask first
• Where custom instructions live in ChatGPT, Copilot Chat and Claude
• Three habits that keep your instructions useful