When setting up your AI knowledge base, you have the option to add a custom prompt, a short set of instructions that helps guide the tone and behaviour of your AI bot. This gives you more control over how the bot responds, making sure it sounds like you and aligns with your customer experience goals.
By default, Talkative uses a standard prompt designed to handle most customer service scenarios. It includes safety checks and fallback behaviour when the AI isn’t sure of an answer. However, every business is different, and creating a custom prompt allows you to tailor your AI’s responses to better suit your brand, tone of voice, and support style.
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Haven’t built your first Knowledge Base yet? No worries… Start with our AI Knowledge Base Setup Guide to get everything in place before adding custom prompts.
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Head to ‘AI Knowledge Bases’ in the left-hand menu, then click on the knowledge base you’d like to edit.

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Scroll to the ‘Additional Prompt’ section, write out the behaviours you want your AI to follow.
✅ Don’t forget to hit Save when you’re done!
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Below are some real-world prompt examples you can use or adapt to shape your chatbot’s tone, behaviour, and limitations. You can include multiple instructions within a single prompt, and we recommend testing your prompt in different scenarios to make sure it behaves as expected.
👤 Set your chatbot’s personality or identity.
🌍 Match the customer’s language.
🔗 Use consistent link formatting.