Question Classification
FastGPT Question Classification node overview
Characteristics
- Can be added multiple times
- Has external input
- Requires manual configuration
- Trigger-based execution
- function_call module

What It Does
Classifies user questions into categories and executes different operations based on the result. Classification may be less effective in ambiguous scenarios.
Parameters
System Prompt
Placed at the beginning of the conversation to provide supplementary definitions for classification categories. For example, questions might be classified as:
- Greetings
- Laf FAQs
- Other questions
Since "Laf" isn't self-explanatory, you need to define it. The system prompt could include:
Laf is a cloud development platform for rapid application development
Laf is an open-source BaaS development platform (Backend as a Service)
Laf is a ready-to-use serverless development platform
Laf is an all-in-one development platform combining function computing, database, and object storage
Laf can be thought of as an open-source alternative to Google Firebase or similar cloud development platformsChat History
Adding some chat history enables context-aware classification.
User Question
The user's input content.
Classification Categories
Using the same 3 categories as an example, here is the resulting Function composition. The return values are randomly generated by the system and can be ignored.
- Greetings
- Laf FAQs
- Other questions
const agentFunction = {
name: agentFunName,
description: 'Determine which category the user question belongs to and return the corresponding enum value',
parameters: {
type: 'object',
properties: {
type: {
type: 'string',
description: `Greetings, return: abc; Laf FAQs, return: vvv; Other questions, return: aaa`
enum: ["abc","vvv","aaa"]
}
},
required: ['type']
}
};The Function above always returns one of type = abc, vvv, aaa, achieving the classification.
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