entity_type :int This is the type of entity that the Attachment belongs to.

entity_id :int This is an internal CoreOne id used to uniquely identify the record in which that Attachment will be uploaded to.

original_file_name :string This is the original file name used for the specified Attachment.

document_type :string This is the type of document of the specified Attachment.

file_type :string This is the file type of the uploaded Attachment. It is a required parameter.

document_version :string This is the current version of the Attachment. It is an optional parameter.

content_type :string This is the type of content for the uploaded Attachment. It is a required parameter.

original_creation_date :dateTime This is the date in which the Attachment was originally created. Must be in format of YYYY-MM-DD. It is a required parameter.

comments :string These are any comments or remark made about the Attachment. It is an optional parameter.

payload :string This is the Attachment itself in Base64 Encode. It is a required parameter.