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Schema, Data Group and Dataset

Schema setup​

# ===================
# Schema
# ===================
ecommerce_schema = {
    "type": "record",
    "name": "Interactions",
    "namespace": "com.amazonaws.personalize.schema",
    "fields": [
        {"name": "USER_ID", "type": "string"},
        {"name": "ITEM_ID", "type": "string"},
        {"name": "TIMESTAMP", "type": "long"},
        {"name": "EVENT_TYPE", "type": "string"}
    ],
    "version": "1.0"
}
interactions_schema = personalize.CfnSchema(
    self, "InteractionsSchema",
    name="cdk-interactions-schema",
    schema=json.dumps(ecommerce_schema),
    domain="ECOMMERCE"
)

Dataset Group Config​

# ===================
# Dataset Group
# ===================
dataset_group = personalize.CfnDatasetGroup(
    self, "DatasetGroup",
    name="cdk-recommendation-dataset-group",
    domain="ECOMMERCE"  # or "VIDEO_ON_DEMAND" or "CUSTOM"
)

Dataset​

# ===================
# Dataset
# ===================
interactions_dataset = personalize.CfnDataset(
    self, "InteractionsDataset",
    dataset_group_arn=dataset_group.attr_dataset_group_arn,
    dataset_type="Interactions",
    name="cdk-interactions-dataset",
    schema_arn=interactions_schema.attr_schema_arn
)

interactions_dataset.add_dependency(dataset_group)
interactions_dataset.add_dependency(interactions_schema)