singer_sdk.singerlib.messages.SchemaMessage¶ class singer_sdk.singerlib.messages.SchemaMessage[source]¶ Singer schema message. __init__(stream, schema, key_properties=None, bookmark_properties=None)[source]¶ Parameters: stream (str) schema (dict[str, Any]) key_properties (Sequence[str] | None) bookmark_properties (list[str] | None) Return type: None bookmark_properties: list[str] | None[source]¶ The bookmark properties. key_properties: Sequence[str] | None[source]¶ The key properties. schema: dict[str, Any][source]¶ The schema definition. stream: str[source]¶ The stream name.