Especifica valores de enumeración de generación controlada en un esquema JSON
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Especifica la lista de valores de enumeración de la respuesta en un esquema JSON. El modelo selecciona un valor de enumeración de una lista de valores que se definen en el esquema.
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[[["Fácil de comprender","easyToUnderstand","thumb-up"],["Resolvió mi problema","solvedMyProblem","thumb-up"],["Otro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Información o código de muestra incorrectos","incorrectInformationOrSampleCode","thumb-down"],["Faltan la información o los ejemplos que necesito","missingTheInformationSamplesINeed","thumb-down"],["Problema de traducción","translationIssue","thumb-down"],["Otro","otherDown","thumb-down"]],[],[],[],null,["# Specify controlled generation enum values in a JSON schema\n\nSpecify the list of response enum values in a JSON schema. The model selects an enum value from a list values that are defined in the schema.\n\nCode sample\n-----------\n\n### Go\n\n\nBefore trying this sample, follow the Go setup instructions in the\n[Vertex AI quickstart using\nclient libraries](/vertex-ai/docs/start/client-libraries).\n\n\nFor more information, see the\n[Vertex AI Go API\nreference documentation](/go/docs/reference/cloud.google.com/go/aiplatform/latest/apiv1).\n\n\nTo authenticate to Vertex AI, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n import (\n \t\"context\"\n \t\"errors\"\n \t\"fmt\"\n \t\"io\"\n\n \t\"cloud.google.com/go/vertexai/genai\"\n )\n\n // controlledGenerationResponseSchemaEnum demonstrates how to constrain model responses\n // to a predefined set of enum values for genre classification.\n func controlledGenerationResponseSchemaEnum(w io.Writer, projectID, location, modelName string) error {\n \t// location = \"us-central1\"\n \t// modelName = \"gemini-2.0-flash-001\"\n \tctx := context.Background()\n \tclient, err := genai.https://cloud.google.com/vertex-ai/generative-ai/docs/reference/go/latest/genai.html#cloud_google_com_go_vertexai_genai_Client_NewClient(ctx, projectID, location)\n \tif err != nil {\n \t\treturn fmt.Errorf(\"failed to create GenAI client: %w\", err)\n \t}\n \tdefer client.https://cloud.google.com/vertex-ai/generative-ai/docs/reference/go/latest/genai.html#cloud_google_com_go_vertexai_genai_Client_Close()\n\n \tmodel := client.GenerativeModel(modelName)\n\n \tmodel.https://cloud.google.com/vertex-ai/generative-ai/docs/reference/go/latest/genai.html#cloud_google_com_go_vertexai_genai_GenerationConfig.ResponseMIMEType = \"text/x.enum\"\n \tmodel.https://cloud.google.com/vertex-ai/generative-ai/docs/reference/go/latest/genai.html#cloud_google_com_go_vertexai_genai_GenerationConfig.ResponseSchema = &genai.https://cloud.google.com/vertex-ai/generative-ai/docs/reference/go/latest/genai.html#cloud_google_com_go_vertexai_genai_Schema{\n \t\tType: genai.https://cloud.google.com/vertex-ai/generative-ai/docs/reference/go/latest/genai.html#cloud_google_com_go_vertexai_genai_TypeUnspecified_TypeString_TypeNumber_TypeInteger_TypeBoolean_TypeArray_TypeObject,\n \t\tEnum: []string{\"drama\", \"comedy\", \"documentary\"},\n \t}\n\n \tprompt := `\n The film aims to educate and inform viewers about real-life subjects, events, or people.\n It offers a factual record of a particular topic by combining interviews, historical footage,\n and narration. The primary purpose of a film is to present information and provide insights\n into various aspects of reality.\n `\n\n \tres, err := model.https://cloud.google.com/vertex-ai/generative-ai/docs/reference/go/latest/genai.html#cloud_google_com_go_vertexai_genai_GenerativeModel_GenerateContent(ctx, genai.https://cloud.google.com/vertex-ai/generative-ai/docs/reference/go/latest/genai.html#cloud_google_com_go_vertexai_genai_Text(prompt))\n \tif err != nil {\n \t\treturn fmt.Errorf(\"failed to generate content: %w\", err)\n \t}\n\n \tif len(res.Candidates) == 0 || len(res.Candidates[0].https://cloud.google.com/vertex-ai/generative-ai/docs/reference/go/latest/genai.html#cloud_google_com_go_vertexai_genai_Content.Parts) == 0 {\n \t\treturn errors.https://cloud.google.com/vertex-ai/generative-ai/docs/reference/go/latest/genai/tokenizer.html#cloud_google_com_go_vertexai_genai_tokenizer_Tokenizer_New(\"got empty response from model\")\n \t}\n\n \tfmt.Fprintf(w, \"Candidate label: %q\", res.Candidates[0].https://cloud.google.com/vertex-ai/generative-ai/docs/reference/go/latest/genai.html#cloud_google_com_go_vertexai_genai_Content.Parts[0])\n \t// Example response:\n \t// Candidate label: \"documentary\"\n\n \treturn nil\n }\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=generativeaionvertexai)."]]