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    API Reference ↗
    Data connectivity & integrationPipeline Builder ExpressionsExtract document metadata

    Extract document metadata

    Supported in: Batch

    Extracts metadata fields from a document.

    Expression categories: Media

    Declared arguments

    • Media reference - The column containing media references to PDF files in a media set.
      Expression<Media reference>
    • Metadata to include - Select the metadata columns to include in the output.
      Set<Enum<Bytes, Document author, Document title, Page count>>

    Output type: Struct

    Examples

    Example 1: Base case

    Argument values:

    • Media reference: Media Reference
    • Metadata to include: [Document Author, Page Count, Document Title]
    Media ReferenceOutput
    {"mimeType":"application/pdf","reference":{"type":"mediaSetItem","mediaSetItem":{"mediaSetRid":"ri.mio.test.media-set.1","mediaItemRid":"ri.mio.test.media-item.1"}}}{
     author: Jane Doe,
     page_count: 23,
     title: Document Title,
    }

    Example 2: Base case

    Argument values:

    • Media reference: Media Reference
    • Metadata to include: [Document Title]
    Media ReferenceOutput
    {"mimeType":"application/pdf","reference":{"type":"mediaSetItem","mediaSetItem":{"mediaSetRid":"ri.mio.test.media-set.1","mediaItemRid":"ri.mio.test.media-item.1"}}}{
     title: Who Framed Roger Rabbit - Final Script,
    }

    Example 3: Base case

    Argument values:

    • Media reference: Media Reference
    • Metadata to include: [Document Author, Page Count]
    Media ReferenceOutput
    {"mimeType":"application/pdf","reference":{"type":"mediaSetItem","mediaSetItem":{"mediaSetRid":"ri.mio.test.media-set.1","mediaItemRid":"ri.mio.test.media-item.1"}}}{
     author: John Smith,
     page_count: 78,
    }

    Example 4: Null case

    Argument values:

    • Media reference: Media Reference
    • Metadata to include: []
    Media ReferenceOutput
    {"mimeType":"application/pdf","reference":{"type":"mediaSetItem","mediaSetItem":{"mediaSetRid":"ri.mio.test.media-set.1","mediaItemRid":"ri.mio.test.media-item.1"}}}null