> For the complete documentation index, see [llms.txt](https://help.holixa.com/holixa-erp-connector/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.holixa.com/holixa-erp-connector/data-interface-reference-manual/mandatory-ecentity-table-fields.md).

# Mandatory EcENTITY table fields

* bulk\_id

for ITEM entity type import it is strongly recommended to keep one bulk\_id for each item structure

i.e. when importing purchased items, unique bulk\_id should be assigned to every single item

* ent\_class\_id

for example ‘ITEM’

* guid

only for ent\_class\_id = ‘CUSTENT’ - ie. only for Custom Object entity, refers the type of CustomObject; ask CAD Studio consultant to provide this string value

* name

for example Vault Item number, Vault File name, Vault ECO number, Vault Folder name, …

* comm\_dir

1 for import into Vault

* comm\_status 0 for pending