# File Field API

| **File field**                                                                                                                |
| ----------------------------------------------------------------------------------------------------------------------------- |
| *\<field type=”attachment” name=”string” roleId=”id” placeholder=”string” optional=”boolean” attachmentType=”enum”>\</field>* |

#### File Field attributes

* **type** — define if this field is attachment type, mandatory attribute.
* **name** — string, length from 1 up to 128 symbols, restricted symbols &, “, <, >, field name used to fill in on envelope, unique for document, mandatory attribute.
* **roleId** — id of the role who should fill field on envelope, mandatory attribute.
* **placeholder** — field placeholder displayable on template and envelope, length from 0 up to 1024 symbols, if empty on envelope will be displayed field name, optional attribute.
* **optional** — boolean, defines if field to be filled in optionally or not on envelope, if not set default value false, optional attribute.
* **attachmentType** — enum, one of the values \[all, file, document, image, archive], defines file types could be uploaded on envelope, mandatory attribute.

#### Supported document types

* All: .pdf, .doc, .docx, .xls, .xlsx, .xlsm, .xlsb, .xml, .dbf, .txt, .rtf, .csv, .xps, .eml, .msg, .emlx, .rpmsg, .crt, .pem, .der, .cer, .ppt, .pptx, .png, .jpg, .jpeg, .tiff, .tif, .zip, .7z, .rar, .asice
* File: .pdf, .doc, .docx, .xls, .xlsx, .xlsm, .xlsb, .xml, .dbf, .txt, .rtf, .csv, .xps, .eml, .msg, .emlx, .rpmsg, .crt, .pem, .der, .cer, .ppt, .pptx
* Document: .pdf
* Image: .png, .jpg, .jpeg, .tiff, .tif
* Archive: .zip, .7z, .rar, .asice


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