support parameters_json_schema in function declaration
#16
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Signed-off-by: Jean Mertz <git@jeanmertz.com>
Signed-off-by: Jean Mertz <git@jeanmertz.com>
Signed-off-by: Jean Mertz <git@jeanmertz.com>
Signed-off-by: Jean Mertz <git@jeanmertz.com>
Signed-off-by: Jean Mertz <git@jeanmertz.com>
Signed-off-by: Jean Mertz <git@jeanmertz.com>
josh-tracey
requested changes
Dec 17, 2025
| pub name: String, | ||
| pub description: String, | ||
| pub parameters: Option<FunctionParameters>, | ||
| pub parameters_json_schema: Option<serde_json::Value>, |
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works fine from my tests but if parameters is set it will error as parameters_json_schema can not be set when parameters is set / present in the json. You'll get an api error from gemini. though parameters can be null but not set when using parameters_json_schema
API call failed: API Error: {"context":null,"message":{"error":{"code":400,"message":"* GenerateContentRequest.tools[0].function_declarations[0].parameters_json_schema: parameters_json_schema must not be set when parameters is set.\n","status":"INVALID_ARGUMENT"}},"status":400}
so just add this and all good
#[serde(skip_serializing_if = "Option::is_none")]
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See: https://ai.google.dev/api/caching#FunctionDeclaration