Luis Sergio Faria Carneiro created CAMEL-22260:
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Summary: [camel-langchain4j-tools] Support for defining the
function names
Key: CAMEL-22260
URL: https://issues.apache.org/jira/browse/CAMEL-22260
Project: Camel
Issue Type: Improvement
Components: camel-langchain4j-tools
Reporter: Luis Sergio Faria Carneiro
The langchain4j-tools component has a parameter name *description* which is
used to generate a function name to be registered at the LLM.
The function name is the simple description defined
[here|https://github.com/lsergio/camel/blob/main/components/camel-ai/camel-langchain4j-tools/src/main/java/org/apache/camel/component/langchain4j/tools/LangChain4jToolsEndpoint.java#L125].
However, LLMs might have restrictions on the function names. For example,
Gemini function names length must not exceed 64 characters and have some
limitations on what characters can be used. And those restrictions are
reflected on the description.
So If I create a route like this:
{code:java}
- from:
uri: "langchain4j-tools:demo"
parameters:
tags: demo
description: Returns the address for a given zip code (city, state and
neighborhood)
parameter.zipcode: string
steps:
- log:
message: Querying zip code ${headers.zipcode}${headers.zipcode} {code}
and try to use it with gemini-1.5-flash I get the error:
{code:java}
error": {
"code": 400,
"message": "*
GenerateContentRequest.tools[0].function_declarations[0].name: Invalid function
name. Must start with a letter or an underscore. Must be alphameric (a-z, A-Z,
0-9), underscores (_), dots (.) or dashes (-), with a maximum length of 64.\n",
"status": "INVALID_ARGUMENT"
}
{code}
So this forces me to to change the description.
The goal here is to support a new parameter, functionName, which could be used
as follows:
{code:java}
- from:
uri: "langchain4j-tools:demo"
parameters:
tags: demo
description: Returns the address for a given zip code (city, state and
neighborhood)
functionName: ReturnAddressForZipCode
parameter.zipcode: string
steps:
- log:
message: Querying zip code ${headers.zipcode}${headers.zipcode}
{code}
If no functionName is provided, we would still generate one from the
description.
Some other cases which this fails are descriptions in languages that have
non-ascii characters, like é, á, ã, ñ, in the description.
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