MetadataExpansionJob

A metadata expansion job — extracts the requested fields from each of its documents.

Property	Type	Required	Description
`id`	string	Yes	The job identifier, which can be referenced in the API endpoints.
`project_id`	string	Yes	The project identifier this job belongs to.
`status`	`server__models__metadata_expansion__JobStatus`	Yes	Aggregate status across all documents in the job. 'completed' covers partial failures too — check each document's own status for details; 'failed' is only set when every document in the job failed; 'cancelled' is a terminal state set by the caller and is never resumed.
`fields`	`MetadataFieldSpec`[]	Yes	Metadata fields requested for this job.
`documents`	`DocumentMetadataRecord`[]	Yes	Per-document status and extracted metadata.
`describe_images`	boolean	No	Whether image descriptions were requested at job creation; applies to every document in the job. Default: `false`.
`created_at`	integer	No	The Unix timestamp (in seconds) for when the job was created.
`finished_at`	integer \| null	No	The Unix timestamp (in seconds) for when every document reached a terminal state.

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