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The system prompt is the most important configuration for your chatbot. It tells the AI who it is, how to behave, and what rules to follow. Every response your chatbot generates is influenced by this prompt.

Where to Edit

Go to your chatbot → Settings tab → Model & Instructions sub-tab. The system prompt textarea supports up to 3,000 characters.

Default Prompt

When you create a chatbot, FIFE.BOT auto-generates a generic system prompt. You should customize it to match your specific use case.

Prompt Templates

FIFE.BOT includes 12 pre-built prompt templates in the dropdown above the system prompt field. Each template is available with preset wording in English and Czech (the chatbot UI and widget support 14 interface languages separately — see Widget appearance). Templates cover common use cases:
  • Customer support agent
  • Sales assistant
  • Technical documentation helper
  • HR / onboarding bot
  • Product guide
  • FAQ bot
  • And more
Select a template to populate the system prompt field. You can then edit it further.

Writing an Effective Prompt

Structure

A good system prompt has these sections:

Example: Customer Support Bot

Example: Technical Documentation Bot

Best Practices

Be specific

“You are a support agent for Acme Corp’s e-commerce platform” is better than “You are a helpful assistant.”

Set boundaries

Explicitly define what the bot should NOT discuss. “Never discuss competitor products” or “Don’t provide medical advice.”

Define the fallback

Tell the bot what to do when it doesn’t know — redirect to email, phone, or a specific URL.

Control length

“Keep responses under 3 sentences” or “Provide detailed step-by-step explanations” — be explicit about response length.

Common Mistakes

Routing Instructions vs System Prompt

The system prompt applies to the entire chatbot. Routing instructions (set per knowledge base source) let you add source-specific context. For example, if your chatbot has knowledge from both a product manual and a pricing page:
  • System prompt: General tone, identity, rules
  • Routing instructions on product manual: “When answering from this source, include part numbers and compatibility info”
  • Routing instructions on pricing page: “When answering from this source, always mention the current promotion”