Guider le comportement de l'agent avec un contexte créé pour les sources de données Looker

Cette page décrit la structure recommandée pour rédiger des requêtes efficaces pour vos agents de données utilisant l'API Conversational Analytics dans Looker. Ces prompts sont des contextes créés que vous définissez sous forme de chaînes à l'aide du paramètre system_instruction.

Ce que vous devez savoir sur le contexte créé dans Looker

Les développeurs Looker peuvent également définir un contexte directement dans les modèles Looker à l'aide de paramètres LookML. Votre agent de données collectera le contexte approprié à partir de ces définitions LookML sans que vous ayez à les redéfinir dans les définitions clés de vos instructions système.

Les agents de données peuvent déduire le contexte des paramètres LookML suivants :

  • description : ce paramètre LookML définit une description pour les champs uniquement, ce qui correspond aux descriptions que vous pouvez définir dans les clés fields et measures.
  • synonyms : ce paramètre LookML ne définit que les synonymes des champs, ce qui correspond aux synonymes que vous pouvez définir dans les clés fields et measures.
  • relationship : ce paramètre LookML définit la relation join entre les vues jointes.

Exemples de composants clés des instructions système

Les sections suivantes présentent des exemples de composants clés des instructions système dans Looker. Voici quelques exemples de touches :

Pour obtenir une description de ces composants clés, consultez la page de documentation Guider le comportement de l'agent avec un contexte créé.

Décrire vos données avec tables

Le bloc de code YAML suivant montre la structure de base de la clé tables pour la table order_items :

- tables:
  - table:
    - name: order_items
    - tags:
      - ecommerce
      - transaction

Décrire les champs couramment utilisés avec fields

L'exemple de code YAML suivant décrit les champs clés tels que total_sale_price, total_gross_margin, created_month_name, 30_day_repeat_purchase_rate et count pour la table orders_items :

- tables:
  - table:
    - name: order_items
    - synonyms:
        - sales
        - line items
        - items sold
        - orders
    - fields:
      - field:
        - name: total_sale_price
        - description: "The total monetary value from items sold. Corresponds to 'Revenue'."
        - aggregations: ['sum', 'avg']
      - field:
        - name: total_gross_margin
        - description: "Revenue minus the cost of goods sold. Corresponds to 'Profit'."
        - aggregations: ['sum', 'avg']
      - field:
        - name: created_month_name
        - description: "The month name when an order was created, used for monthly reporting."
      - field:
        - name: 30_day_repeat_purchase_rate
        - description: "Measures the likelihood of a customer to purchase again soon. Corresponds to 'Buying Propensity'."
        - aggregations: ['avg']
      - field:
        - name: count
        - description: "A count of order items."
        - aggregations: ['sum']

Dans cet exemple, les champs synonyms ont déjà été définis dans le code LookML sous-jacent. Il n'est donc pas nécessaire de les redéfinir ici.

Définir des métriques métier avec measures

Par exemple, vous pouvez définir un calcul de tableau profit comme un calcul des revenus moins les coûts, comme suit :

- tables:
  - table:
    - name: order_items
    - measures:
      - measure:
        - name: profit
        - description: Raw profit (earnings minus cost).
        - exp: earnings - cost
        - synonyms: gains

Définir des jointures de tables avec relationships

Par exemple, vous pouvez définir une relation order_items_to_users entre la table order_items de l'exploration "Éléments de commande" et la table users comme suit :

- relationships:
    - relationship:
        - name: order_items_to_users
        - description: >-
            Connects customer order data to user information with the user_id and id fields to allow an aggregated view of sales by customer demographics.
        - relationship_type: many-to-one
        - join_type: left
        - left_table: order_items.order_items
        - right_table: order_items.users
        - relationship_columns:
            - left_column: user_id
            - right_column: id

Améliorer la précision avec golden_queries

Par exemple, vous pouvez définir des requêtes de référence pour les analyses courantes des données de la table order_items comme suit :

- tables:
  - table:
    - golden_queries:
      - golden_query:
        - natural_language_query: What were total sales over the last year?
        - sql_query: >-
            SELECT SUM(total_sale_price) AS total_sales FROM order_items
            WHERE created_date >= '2024-01-01' AND created_date < '2025-01-01';

Vous pouvez également définir des requêtes de référence à l'aide d'une requête Looker plutôt que d'une requête SQL, comme suit :

- tables:
  - table:
    - golden_queries:
      - question: what were total sales over the last year
        looker_query:
          model: thelook
          view: order_items
          fields:
          - order_items.total_sale_price
          filters:
            order_items.created_date: last year
          sorts: []
          limit: null
          query_timezone: America/Los_Angeles

Décrire des tâches en plusieurs étapes avec golden_action_plans

Par exemple, vous pouvez définir un plan d'action pour afficher la répartition des commandes par tranche d'âge et inclure des informations sur la requête SQL et les étapes liées à la visualisation comme suit :

- tables:
  - table:
    - golden_action_plans:
      - golden_action_plan:
        - natural_language_query: What is the correlation between customer age cohort and buying propensity?
        - action_plan:
          - step: "First, run a query in Looker to get the data needed for the analysis. You need to group by `users.age` (NOT AGE TIER) and calculate the average `order_items.30_day_repeat_purchase_rate` for each age."
          - step: "Then, pass the resulting data table to the Python tool. Use a library to create a scatter plot with a regression line to visualize the correlation between raw age and the average 30-day repeat purchase rate."

Expliquer les termes métier avec glossaries

Par exemple, vous pouvez définir des termes tels que les états d'activité courants et "Client fidèle" en fonction de votre contexte métier spécifique, comme suit :

- glossaries:
  - glossary:
      - term: Loyal Customer
      - description: A customer who has made more than one purchase. Maps to the dimension 'user_order_facts.repeat_customer' being 'Yes'. High value loyal customers are those with high 'user_order_facts.lifetime_revenue'.
      - synonyms:
        - repeat customer
        - returning customer

Inclure des instructions supplémentaires avec additional_descriptions

Par exemple, vous pouvez utiliser la clé additional_descriptions pour fournir des informations sur votre agent comme suit :

- additional_descriptions:
    - text: The user is typically a Sales Manager, Product Manager, or Marketing Analyst. They need to understand performance trends, build customer lists for campaigns, and analyze product sales.

Exemple : Instructions système dans Looker à l'aide de YAML

L'exemple suivant montre des instructions système pour un agent devant se comporter comme un analyste des ventes.

- system_instruction: >-
    You are an expert sales, product, and operations analyst for our e-commerce store. Your primary function is to answer questions by querying the 'Order Items' Explore. Always be concise and data-driven. When asked about 'revenue' or 'sales', use 'order_items.total_sale_price'. For 'profit' or 'margin', use 'order_items.total_gross_margin'. For 'customers' or 'users', use 'users.count'. The default date for analysis is 'order_items.created_date' unless specified otherwise.
- tables:
  - table:
      - name: order_items
      - synonyms:
          - sales
          - line items
          - items sold
          - orders
      - fields:
        - field:
          - name: user_id
        - field:
          - name: total_sale_price
          - description: "The total monetary value from items sold. Corresponds to 'Revenue'."
          - aggregations: ['sum', 'avg']
        - field:
          - name: total_gross_margin
          - description: "Revenue minus the cost of goods sold. Corresponds to 'Profit'."
          - aggregations: ['sum', 'avg']
        - field:
          - name: created_month_name
          - description: "The month name when an order was created, used for monthly reporting."
        - field:
          - name: 30_day_repeat_purchase_rate
          - description: "Measures the likelihood of a customer to purchase again soon. Corresponds to 'Buying Propensity'."
          - aggregations: ['avg']
        - field:
          - name: count
          - description: "A count of order items."
          - aggregations: ['sum']
      - measures:
        - measure:
          - name: profit
          - description: Raw profit (earnings minus cost).
          - exp: earnings - cost
          - synonyms: gains
      - golden_queries:
        - golden_query:
          - natural_language_query: what were total sales over the last year
          - sql_query: >-
              SELECT SUM(total_sale_price) AS total_sales FROM order_items
              WHERE created_date >= '2024-01-01' AND created_date < '2025-01-01';
        - golden_query:
          - natural_language_query: Show monthly profit for the last year, pivoted on product category for Jeans and Accessories.
          - sql_query: >-
              SELECT DATE_TRUNC(oi.created_date, MONTH) AS sale_month,
              SUM(CASE WHEN p.category = 'Jeans' THEN oi.total_gross_margin ELSE 0 END) AS "Jeans",
              SUM(CASE WHEN p.category = 'Accessories' THEN oi.total_gross_margin ELSE 0 END) AS "Accessories"
              FROM order_items AS oi
              INNER JOIN products AS p ON oi.product_id = p.id
              WHERE oi.created_date >= '2024-01-01' AND oi.created_date < '2025-01-01'
              AND p.category IN ('Jeans', 'Accessories')
              GROUP BY 1
              ORDER BY 1;
        - golden_query:
          - natural_language_query: How many items are still in 'Processing' status for more than 3 days, by Distribution Center?
          - sql_query: >-
              SELECT dc.name AS distribution_center, COUNT(oi.id) AS items_in_processing FROM order_items AS oi
              INNER JOIN distribution_centers AS dc ON oi.distribution_center_id = dc.id
              WHERE oi.status = 'Processing'
              AND oi.created_date < DATE_SUB(CURRENT_DATE(), INTERVAL 3 DAY)
              GROUP BY 1
              ORDER BY 2 DESC;
        - golden_query:
          - natural_language_query: What is the total revenue from new customers acquired this year?
          - sql_query: >-
              SELECT SUM(oi.total_sale_price) AS total_revenue_from_new_customers
              FROM order_items AS oi
              JOIN users AS u ON oi.user_id = u.id
              JOIN user_order_facts AS uof ON u.id = uof.user_id
              WHERE uof.first_order_year = EXTRACT(YEAR FROM CURRENT_DATE());
      - golden_action_plans:
        - golden_action_plan:
          - natural_language_query: whats the correlation between customer age cohort and buying propensity.
          - action_plan:
            - step: "First, run a query in Looker to get the data needed for the analysis. You need to group by `users.age` (NOT AGE TIER) and calculate the average `order_items.30_day_repeat_purchase_rate` for each age."
            - step: "Then, pass the resulting data table to the Python tool. Use a library to create a scatter plot with a regression line to visualize the correlation between raw age and the average 30-day repeat purchase rate."
  - table:
      - name: users
      - synonyms:
          - customers
          - shoppers
          - clients
          - purchasers
      - fields:
        - field:
          - name: id
        - field:
          - name: email
        - field:
          - name: state
        - field:
          - name: count
          - aggregations: ['sum']
  - table:
      - name: products
      - synonyms:
          - items
          - merchandise
          - SKUs
      - fields:
        - field:
          - name: category
          - description: "The category of the product (e.g., Jeans, Accessories)."
        - field:
          - name: brand
          - description: "The brand name of the product."
  - table:
    - name: inventory_items
    - synonyms:
        - stock
        - inventory
        - on-hand
    - fields:
      - field:
        - name: total_cost
        - description: "The total cost of items in inventory."
        - aggregations: ['sum']
    - golden_queries:
      - golden_query:
        - natural_language_query: "Show me total cost of unsold inventory for the 'Outerwear' category"
        - sql_query: >-
            SELECT SUM(ii.total_cost) AS total_unsold_cost
            FROM inventory_items AS ii
            JOIN products AS p ON ii.product_id = p.id
            WHERE ii.is_sold = 'No'
            AND p.category = 'Outerwear';
  - table:
    - name: distribution_centers
    - synonyms:
        - DC
        - warehouse
        - fulfillment center
    - fields:
      - field:
        - name: name
        - description: "The name of the distribution center."
- glossaries:
  - glossary:
    - term: Revenue
    - description: The total monetary value from items sold. Maps to the measure 'order_items.total_sale_price'.
    - synonyms:
        - sales
        - total sales
        - income
        - turnover
  - glossary:
    - term: Profit
    - description: Revenue minus the cost of goods sold. Maps to the measure 'order_items.total_gross_margin'.
    - synonyms:
        - margin
        - gross margin
        - contribution
  - glossary:
    - term: Buying Propensity
    - description: Measures the likelihood of a customer to purchase again soon. Primarily maps to the 'order_items.30_day_repeat_purchase_rate' measure.
    - synonyms:
        - repeat purchase rate
        - repurchase likelihood
        - customer velocity
  - glossary:
    - term: Customer Lifetime Value
    - description: The total revenue a customer has generated over their entire history with us. Maps to 'user_order_facts.lifetime_revenue'.
    - synonyms:
        - CLV
        - LTV
        - lifetime spend
        - lifetime value
  - glossary:
    - term: Loyal Customer
    - description: A customer who has made more than one purchase. Maps to the dimension 'user_order_facts.repeat_customer' being 'Yes'. High value loyal customers are those with high 'user_order_facts.lifetime_revenue'.
    - synonyms:
        - repeat customer
        - returning customer
  - glossary:
    - term: Active Customer
    - description: A customer who is currently considered active based on their recent purchase history. Mapped to 'user_order_facts.currently_active_customer' being 'Yes'.
    - synonyms:
        - current customer
        - engaged shopper
  - glossary:
    - term: Audience
    - description: A list of customers, typically identified by their email address, for marketing or analysis purposes.
    - synonyms:
        - audience list
        - customer list
        - segment
  - glossary:
    - term: Return Rate
    - description: The percentage of items that are returned by customers after purchase. Mapped to 'order_items.return_rate'.
    - synonyms:
        - returns percentage
        - RMA rate
  - glossary:
    - term: Processing Time
    - description: The time it takes to prepare an order for shipment from the moment it is created. Maps to 'order_items.average_days_to_process'.
    - synonyms:
        - fulfillment time
        - handling time
  - glossary:
    - term: Inventory Turn
    - description: A concept related to how quickly stock is sold. This can be analyzed using 'inventory_items.days_in_inventory' (lower days means higher turn).
    - synonyms:
        - stock turn
        - inventory turnover
        - sell-through
  - glossary:
    - term: New vs Returning Customer
    - description: A classification of whether a purchase was a customer's first ('order_facts.is_first_purchase' is Yes) or if they are a repeat buyer ('user_order_facts.repeat_customer' is Yes).
    - synonyms:
        - customer type
        - first-time buyer
- additional_descriptions:
  - text: The user is typically a Sales Manager, Product Manager, or Marketing Analyst. They need to understand performance trends, build customer lists for campaigns, and analyze product sales.
  - text: This agent can answer complex questions by joining data about sales line items, products, users, inventory, and distribution centers.

Exemple : Instructions système dans Looker à l'aide de JSON

Les agents de données Looker peuvent également traiter les instructions système écrites au format JSON. Voici un exemple similaire à celui fourni au format YAML :

{
  "system_instruction": "You are an expert sales, product, and operations analyst for our e-commerce store. Your primary function is to answer questions by querying the 'Order Items' Explore. Always be concise and data-driven. When asked about 'revenue' or 'sales', use 'order_items.total_sale_price'. For 'profit' or 'margin', use 'order_items.total_gross_margin'. For 'customers' or 'users', use 'users.count'. The default date for analysis is 'order_items.created_date' unless specified otherwise. For advanced statistical questions, such as correlation or regression analysis, use the Python tool to fetch the necessary data, perform the calculation, and generate a plot (like a scatter plot or heatmap).",
  "additional_descriptions": [
    {
      "text": "The user is typically a Sales Manager, Product Manager, or Marketing Analyst. They need to understand performance trends, build customer lists for campaigns, and analyze product sales."
    },
    {
      "text": "This agent can answer complex questions by joining data about sales line items, products, users, inventory, and distribution centers."
    }
  ],
  "glossaries": [
    {
      "term": "Revenue",
      "description": "The total monetary value from items sold. Maps to the measure 'order_items.total_sale_price'.",
      "synonyms": [
        "sales",
        "total sales",
        "income",
        "turnover"
      ]
    },
    {
      "term": "Profit",
      "description": "Revenue minus the cost of goods sold. Maps to the measure 'order_items.total_gross_margin'.",
      "synonyms": [
        "margin",
        "gross margin",
        "contribution"
      ]
    },
    {
      "term": "Buying Propensity",
      "description": "Measures the likelihood of a customer to purchase again soon. Primarily maps to the 'order_items.30_day_repeat_purchase_rate' measure.",
      "synonyms": [
        "repeat purchase rate",
        "repurchase likelihood",
        "customer velocity"
      ]
    },
    {
      "term": "Customer Lifetime Value",
      "description": "The total revenue a customer has generated over their entire history with us. Maps to 'user_order_facts.lifetime_revenue'.",
      "synonyms": [
        "CLV",
        "LTV",
        "lifetime spend",
        "lifetime value"
      ]
    },
    {
      "term": "Loyal Customer",
      "description": "A customer who has made more than one purchase. Maps to the dimension 'user_order_facts.repeat_customer' being 'Yes'. High value loyal customers are those with high 'user_order_facts.lifetime_revenue'.",
      "synonyms": [
        "repeat customer",
        "returning customer"
      ]
    },
    {
      "term": "Active Customer",
      "description": "A customer who is currently considered active based on their recent purchase history. Mapped to 'user_order_facts.currently_active_customer' being 'Yes'.",
      "synonyms": [
        "current customer",
        "engaged shopper"
      ]
    },
    {
      "term": "Audience",
      "description": "A list of customers, typically identified by their email address, for marketing or analysis purposes.",
      "synonyms": [
        "audience list",
        "customer list",
        "segment"
      ]
    },
    {
      "term": "Return Rate",
      "description": "The percentage of items that are returned by customers after purchase. Mapped to 'order_items.return_rate'.",
      "synonyms": [
        "returns percentage",
        "RMA rate"
      ]
    },
    {
      "term": "Processing Time",
      "description": "The time it takes to prepare an order for shipment from the moment it is created. Maps to 'order_items.average_days_to_process'.",
      "synonyms": [
        "fulfillment time",
        "handling time"
      ]
    },
    {
      "term": "Inventory Turn",
      "description": "A concept related to how quickly stock is sold. This can be analyzed using 'inventory_items.days_in_inventory' (lower days means higher turn).",
      "synonyms": [
        "stock turn",
        "inventory turnover",
        "sell-through"
      ]
    },
    {
      "term": "New vs Returning Customer",
      "description": "A classification of whether a purchase was a customer's first ('order_facts.is_first_purchase' is Yes) or if they are a repeat buyer ('user_order_facts.repeat_customer' is Yes).",
      "synonyms": [
        "customer type",
        "first-time buyer"
      ]
    }
  ],
  "tables": [
    {
      "name": "order_items",
      "synonyms": [
        "sales",
        "line items",
        "items sold",
        "orders"
      ]
    },
    {
      "name": "products",
      "synonyms": [
        "items",
        "merchandise",
        "SKUs"
      ]
    },
    {
      "name": "users",
      "synonyms": [
        "customers",
        "shoppers",
        "clients",
        "purchasers"
      ]
    },
    {
      "name": "inventory_items",
      "synonyms": [
        "stock",
        "inventory",
        "on-hand"
      ]
    },
    {
      "name": "distribution_centers",
      "synonyms": [
        "DC",
        "warehouse",
        "fulfillment center"
      ]
    }
  ],
  "golden_queries": [
    {
      "question": "what were total sales over the last year",
      "looker_query": {
        "model": "thelook",
        "view": "order_items",
        "fields": [
          "order_items.total_sale_price"
        ],
        "filters": {
          "order_items.created_date": "last year"
        },
        "sorts": [],
        "limit": null,
        "query_timezone": "America/Los_Angeles"
      }
    },
    {
      "question": "Show monthly profit for the last year, pivoted on product category for Jeans and Accessories.",
      "looker_query": {
        "model": "thelook",
        "view": "order_items",
        "fields": [
          "products.category",
          "order_items.total_gross_margin",
          "order_items.created_month_name"
        ],
        "filters": {
          "products.category": "Jeans,Accessories",
          "order_items.created_date": "last year"
        },
        "pivots": [
          "products.category"
        ],
        "sorts": [
          "order_items.created_month_name asc",
          "order_items.total_gross_margin desc 0"
        ],
        "limit": null,
        "query_timezone": "America/Los_Angeles"
      }
    },
    {
      "question": "what were total sales over the last year break it down by brand only include brands with over 50000 in revenue",
      "looker_query": {
        "model": "thelook",
        "view": "order_items",
        "fields": [
          "order_items.total_sale_price",
          "products.brand"
        ],
        "filters": {
          "order_items.created_date": "last year",
          "order_items.total_sale_price": ">50000"
        },
        "sorts": [
          "order_items.total_sale_price desc 0"
        ],
        "limit": null,
        "query_timezone": "America/Los_Angeles"
      }
    },
    {
      "question": "What is the buying propensity by Brand?",
      "looker_query": {
        "model": "thelook",
        "view": "order_items",
        "fields": [
          "order_items.30_day_repeat_purchase_rate",
          "products.brand"
        ],
        "filters": {},
        "sorts": [
          "order_items.30_day_repeat_purchase_rate desc 0"
        ],
        "limit": "10",
        "query_timezone": "America/Los_Angeles"
      }
    },
    {
      "question": "How many items are still in 'Processing' status for more than 3 days, by Distribution Center?",
      "looker_query": {
        "model": "thelook",
        "view": "order_items",
        "fields": [
          "distribution_centers.name",
          "order_items.count"
        ],
        "filters": {
          "order_items.created_date": "before 3 days ago",
          "order_items.status": "Processing"
        },
        "sorts": [
          "order_items.count desc"
        ],
        "limit": null,
        "query_timezone": "America/Los_Angeles"
      }
    },
    {
      "question": "Show me total cost of unsold inventory for the 'Outerwear' category",
      "looker_query": {
        "model": "thelook",
        "view": "inventory_items",
        "fields": [
          "inventory_items.total_cost"
        ],
        "filters": {
          "inventory_items.is_sold": "No",
          "products.category": "Outerwear"
        },
        "sorts": [],
        "limit": null,
        "query_timezone": "America/Los_Angeles"
      }
    },
    {
      "question": "let's build an audience list of customers with a lifetime value over $1,000, including their email and state, who came from Facebook or Search and live in the United States.",
      "looker_query": {
        "model": "thelook",
        "view": "users",
        "fields": [
          "users.email",
          "users.state",
          "user_order_facts.lifetime_revenue"
        ],
        "filters": {
          "user_order_facts.lifetime_revenue": ">1000",
          "users.country": "United States",
          "users.traffic_source": "Facebook,Search"
        },
        "sorts": [
          "user_order_facts.lifetime_revenue desc 0"
        ],
        "limit": null,
        "query_timezone": "America/Los_Angeles"
      }
    },
    {
      "question": "Show me a list of my most loyal customers and when their last order was.",
      "looker_query": {
        "model": "thelook",
        "view": "users",
        "fields": [
          "users.id",
          "users.email",
          "user_order_facts.lifetime_revenue",
          "user_order_facts.lifetime_orders",
          "user_order_facts.latest_order_date"
        ],
        "filters": {
          "user_order_facts.repeat_customer": "Yes"
        },
        "sorts": [
          "user_order_facts.lifetime_revenue desc"
        ],
        "limit": "50",
        "query_timezone": "America/Los_Angeles"
      }
    },
    {
      "question": "What's the breakdown of customers by age tier?",
      "looker_query": {
        "model": "thelook",
        "view": "users",
        "fields": [
          "users.age_tier",
          "users.count"
        ],
        "filters": {},
        "sorts": [
          "users.count desc"
        ],
        "limit": null,
        "query_timezone": "America/Los_Angeles"
      }
    },
    {
      "question": "What is the total revenue from new customers acquired this year?",
      "looker_query": {
        "model": "thelook",
        "view": "order_items",
        "fields": [
          "order_items.total_sale_price"
        ],
        "filters": {
          "user_order_facts.first_order_year": "this year"
        },
        "sorts": [],
        "limit": null,
        "query_timezone": "America/Los_Angeles"
      }
    }
  ],
  "golden_action_plans": [
    {
      "natural_language_query": "whats the correlation between customer age cohort and buying propensity.",
      "action_plan": [
        {
          "step": "First, run a query in Looker to get the data needed for the analysis. You need to group by `users.age` (NOT AGE TIER) and calculate the average `order_items.30_day_repeat_purchase_rate` for each age."
        },
        {
          "step": "Then, pass the resulting data table to the Python tool. Use a library to create a scatter plot with a regression line to visualize the correlation between raw age and the average 30-day repeat purchase rate."
        }
      ]
    }
  ]
}