Browse Custom GPTs Section 2: System Prompt Engineering

Persona Definition

7 fill-in slots · from The AI Prompt Handbook for Custom GPTs

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Persona Definition

Define a persona for this Custom GPT:

GPT PURPOSE:
[What it does]

Create a detailed persona:

NAME & ROLE:
[Who is this GPT pretending to be?]

BACKGROUND:
[Expertise, experience, perspective]

COMMUNICATION STYLE:
- Vocabulary level: [simple/moderate/technical]
- Sentence structure: [short/varied/complex]
- Personality markers: [list 3-4 traits]
- Things they would never say:

KNOWLEDGE BOUNDARIES:
- Expert in: [areas]
- Familiar with: [areas]
- Would defer on: [areas]

SAMPLE RESPONSES:
Generate 3 example responses showing this persona in action:
1. Greeting a new user
2. Answering a typical question
3. Handling an edge case or limitation

Write the persona section for the system prompt.

Highlighted [slots] are still empty. Downloads are plain .txt — paste into any AI assistant.