# Duplicate Field API

| **Duplicate field**                                                               |
| --------------------------------------------------------------------------------- |
| *\<duplicate name=”string” documentId=”id” relatedTo=”string” search=”boolean”/>* |

Duplicate is read-only field with the value of the related field.

#### Duplicate Field attributes

* **name** — string, length from 1 up to 128 symbols, restricted symbols &, “, <, >, field name used to fill in on envelope, unique for document, mandatory attribute.
* **documentId** — id, document id where field which should be duplicated is located, mandatory attribute.
* **relatedTo** — string, name of the field to which duplicate will be connected, mandatory attribute.
* **search** — boolean, defines if field is searchable on envelope search or not, if not set default value false, optional attribute.


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