Entities Reference

Technical reference for entities in Confidence Metrics.

This section provides technical specifications and reference information for entities.

For conceptual explanations of entities, see Entities in the Metrics Concepts page.

Primary Key Types

Available primary key types for entities:

Type	Description	Use Case
COLUMN_TYPE_STRING	String identifiers	UUIDs, usernames, session IDs
COLUMN_TYPE_INTEGER	Integer identifiers	Autoincrementing user IDs, numeric keys
COLUMN_TYPE_BOOLEAN	Boolean values	Binary entity identifiers (rarely used)
COLUMN_TYPE_DOUBLE	Floating point numbers	Numeric identifiers with decimals (rarely used)

Entity Constraints

• Unique names: Entity display names must be unique within a project
• Immutable key type: You cannot change the primary key type after creation
• Referenced entities: You cannot delete entities used in fact tables, dimension tables, or metrics
• Case sensitivity: Entity names are case-sensitive

Entity Resource Name Format

Reference entities using the resource name format:

entities/{entity_id}

Example: entities/user, entities/session