Enterprise Keywords management in Office 365 via CSOM


SharePoint 2013 has introduced Microsoft.SharePoint.Client.Taxonomy namespace for metadata management via CSOM. Since Taxonomy API also allows to manage Keywords, i would like to demonstrate how to get/set Enterprise Keywords field values in this post.

Adding Enterprise Keywords column into List

The first example demonstrates how to add Enterprise Keywords column into List:

Setting  Enterprise Keywords field value

The below example demonstrates how to set Enterprise Keywords field value:

Key points:

  • The operation of setting Enterprise Keywords field value consists of two steps, first one to resolve Keyword in Managed Metadata service application (MMS), this what  EnsureKeyword method is intended for.  After Keyword has been retrieved or created if it not existed, the value of Enterprise Keyword field is set (TaxonomyFieldValueCollection type).


DocumentsWithTaxKeyword TermStore_Keywords