The post describes a BadRequestError with error code 400, where the tools[0].function.name string does not match the expected pattern. A community member has provided a link to a related discussion that may help with the issue.
BadRequestError: Error code: 400 - {'error': {'message': "Invalid 'tools[0].function.name': string does not match pattern. Expected a string that matches the pattern '^[a-zA-Z0-9_-]+$'.", 'type': 'invalid_request_error', 'param': 'tools[0].function.name', 'code': 'invalid_value'}}
