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Institute of Digital Government

Create a custom chatbot in ChatGPT

Learning Pathway:

AI 201: ChatGPT in Everyday Tasks

16 June 2026

Learn how to build your own custom chatbot that answers only from your uploaded documents.

A table comparing the task before and after AI use

Today's Exercise


Here's what you need for this exercise


Step 1: Gather Documents

A policy document

Step 2: Create a Custom GPT

ChaptGPT interface, with a box around 'GPT' and an arrow pointing to it

Chatgpt interface with the 'create' button highlighted

Step 3: Configure your Custom GPT

the custom GPT configure page, with a blue box around the 'name' and 'description'

custom GPT configure page, blue box around 'instructions'
Ready-to-use prompt — paste into instructions

custom GPT configure page, with a blue box around 'knowledge'

custom GPT configuration, with a blue box around 'conversation starters'

Step 4: Test & Share

a blue box around the 'preview' panel

an arrow pointing to the create button

chatgpt interface with the 'employee handbook q&a' GPT high;ighted

Now it's your turn to try!


📚Further Learning: Understanding Context Engineering

Thumbnail for Video on context engineering

📅Following the 12-Week Learning Plan?

week 6 progress bar
Preview the 12-Week Learning Plan
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