elasticsearch-js/docs/reference/api/IngestAttachmentProcessor.md

Interface IngestAttachmentProcessor

Name	Type	Description
field	Field	The field to get the base64 encoded field from.
ignore_missing	boolean	If true and field does not exist, the processor quietly exits without modifying the document.
indexed_chars_field	Field	Field name from which you can overwrite the number of chars being used for extraction.
indexed_chars	long	The number of chars being used for extraction to prevent huge fields. Use -1 for no limit.
properties	string[]	Array of properties to select to be stored. Can be content, title, name, author, keywords, date, content_type, content_length, language.
remove_binary	boolean	If true, the binary field will be removed from the document
resource_name	string	Field containing the name of the resource to decode. If specified, the processor passes this resource name to the underlying Tika library to enable Resource Name Based Detection.
target_field	Field	The field that will hold the attachment information.