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Parameter Override Settings Documentation

Overview

The parameter override system supports two modes: simple override mode (backward compatible) and advanced operation mode. Complex dynamic parameter adjustments can be achieved through flexible conditional judgments and operation types.

Usage

Simple Override Mode

For backward compatibility, directly specify the fields and values to be overridden. The system will merge these fields into the original request.

{
  "temperature": 0.8,
  "max_tokens": 2000,
  "model": "gpt-4"
}

Advanced Operation Mode

Define complex parameter operations using the operations array, supporting advanced features such as conditional judgments, array operations, and string concatenation.

Basic Structure

{
  "operations": [
    {
      "path": "temperature",
      "mode": "set",
      "value": 0.8,
      "conditions": [...],
      "logic": "AND"
    }
  ]
}

Operation Modes (mode)

1. set - Set Value

Sets the value at the specified path.

{
  "path": "temperature",
  "mode": "set",
  "value": 0.8,
  "keep_origin": false
}

Parameter Description:

• keep_origin: When true, if the target path already has a value, the setting is skipped.

2. delete - Delete Field

Deletes the field at the specified path.

{
  "path": "messages.0",
  "mode": "delete"
}

3. move - Move Field

Moves the value of one field to another location.

{
  "mode": "move",
  "from": "messages.0.content",
  "to": "system"
}

4. append - Append Content

Appends new content after existing content.

{
  "path": "messages.0.content",
  "mode": "append",
  "value": "\n\n请用中文回答。"
}

Supported Data Types:

• String: Appends to the end of the original string.
• Array: Adds elements to the end of the array (supports adding single elements or arrays).
• Object: Merges object properties.

5. prepend - Prepend Content

Adds new content before existing content.

{
  "path": "messages.0.content",
  "mode": "prepend",
  "value": "重要提示：请仔细阅读以下内容。\n\n"
}

Supported Data Types:

• String: Prepends to the beginning of the original string.
• Array: Adds elements to the beginning of the array (supports adding single elements or arrays).
• Object: Merges object properties.

Conditional Judgment

Set the conditions for operation execution using the conditions array. Operations will only be executed when the conditions are met.

Condition Structure

{
  "conditions": [
    {
      "path": "model",
      "mode": "contains",
      "value": "gpt-4",
      "invert": false,
      "pass_missing_key": false
    }
  ],
  "logic": "AND"
}

Condition Matching Modes

• full: Exact match (default)

• prefix: Prefix match

• suffix: Suffix match

• contains: Contains match

• gt: Greater than (numeric types only)

• gte: Greater than or equal to (numeric types only)

• lt: Less than (numeric types only)

• lte: Less than or equal to (numeric types only)

• Note:

• Numeric comparisons can only be used for numeric types.
• String operations (prefix, suffix, contains) will convert values to strings for comparison.

Condition Parameter Description

• invert: Invert function, true means to negate the result.
• pass_missing_key: Behavior when the specified path does not exist.
  • true: Condition passes if the path does not exist.
  • false: Condition does not pass if the path does not exist (default).

Logical Relationship (logic)

• AND: All conditions must be met.
• OR: Any condition met is sufficient (default).

Path Syntax

Use JSON path syntax to access nested fields:

• temperature - Root-level field
• messages.0.content - content field of the first element in the array
• messages.-1.content - content field of the last element in the array
• metadata.user.name - Nested object field

Practical Examples

1. Dynamically Adjust Model Parameters

Dynamically adjust the temperature parameter based on message content:

{
  "operations": [
    {
      "path": "temperature",
      "mode": "set",
      "value": 0.3,
      "conditions": [
        {
          "path": "messages.0.content",
          "mode": "contains",
          "value": "代码"
        }
      ]
    },
    {
      "path": "temperature",
      "mode": "set",
      "value": 0.9,
      "conditions": [
        {
          "path": "messages.0.content",
          "mode": "contains",
          "value": "创意"
        }
      ]
    }
  ]
}

2. Add System Prompt

Add a system message at the beginning of the message array:

{
  "operations": [
    {
      "path": "messages",
      "mode": "prepend",
      "value": [
        {
          "role": "system",
          "content": "你是一个专业的AI助手，请始终保持礼貌和专业。"
        }
      ]
    }
  ]
}

3. Adjust Parameters Based on Model Type

Set different max_tokens based on different models:

{
  "operations": [
    {
      "path": "max_tokens",
      "mode": "set",
      "value": 4000,
      "conditions": [
        {
          "path": "model",
          "mode": "prefix",
          "value": "gpt-4"
        }
      ]
    },
    {
      "path": "max_tokens",
      "mode": "set",
      "value": 2000,
      "conditions": [
        {
          "path": "model",
          "mode": "prefix",
          "value": "gpt-3.5"
        }
      ]
    }
  ]
}

4. Multiple Condition Combination (AND Logic)

Execute operations only when multiple conditions are met simultaneously:

{
  "operations": [
    {
      "path": "stream",
      "mode": "set",
      "value": false,
      "conditions": [
        {
          "path": "model",
          "mode": "contains",
          "value": "claude"
        },
        {
          "path": "messages.0.content",
          "mode": "contains",
          "value": "长文"
        }
      ],
      "logic": "AND"
    }
  ]
}

5. Numeric Comparison Conditions

Perform conditional judgment based on numerical value:

{
  "operations": [
    {
      "path": "temperature",
      "mode": "set",
      "value": 0.1,
      "conditions": [
        {
          "path": "max_tokens",
          "mode": "gt",
          "value": 1000
        }
      ]
    }
  ]
}

6. Invert Condition

Use invert to implement inverse logic:

{
  "operations": [
    {
      "path": "stream",
      "mode": "set",
      "value": true,
      "conditions": [
        {
          "path": "model",
          "mode": "contains",
          "value": "gpt-3.5",
          "invert": true
        }
      ]
    }
  ]
}

7. Handle Missing Fields

Use pass_missing_key to handle potentially missing fields:

{
  "operations": [
    {
      "path": "temperature",
      "mode": "set",
      "value": 0.7,
      "conditions": [
        {
          "path": "custom_field",
          "mode": "full",
          "value": "special",
          "pass_missing_key": true
        }
      ]
    }
  ]
}

8. String Concatenation Example

Append instructions after the user message:

{
  "operations": [
    {
      "path": "messages.-1.content",
      "mode": "append",
      "value": "\n\n请详细解释你的思考过程。"
    }
  ]
}

Important Notes

Execution Order: Operations are executed sequentially according to their order in the operations array. Earlier operations may affect subsequent operations.