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A Filter Short Fields index stage removes short field values from a pipeline document according to a set of filters where each filter specifies a field name and a minimum length. All field values less than the specified length will be removed from the document. For the REST API, this stage type is “filter-short-fields”.

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Example Stage Specification

Remove entities in the author_s field that are less than 3 characters: 
{
  "type" : "filter-short-fields",
  "id" : "short-stage",
  "filters" : [ {
    "sourceField" : "author_s",
    "length" : 3
  } ],
  "skip" : false
}

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Configuration

When entering configuration values in the UI, use unescaped characters, such as \t for the tab character. When entering configuration values in the API, use escaped characters, such as \\t for the tab character.