Updating a Managed Metadata Field In SharePoint Online Using Nintex Workflow

Topic

Instructions

1. Open the workflow designer.
2. Add a Regular Expression action to extract the label of the MMD field. Configure the action as follows:
   • String: {Current Item: MMD FIELD BEING COPIED_0}
   • String Operations: Replace
   • Pattern: |(.*)
   • Replacement String:
   • Output: MMDLabel
3. Add a Regular Expression action to extract the GUID of the MMD field. Configure the action as follows:
   • String: {Current Item: MMD FIELD BEING COPIED_0}
   • String Operation: Replace
   • Pattern: ^(.*[\|])
   • Replacement String:
   • Output: MMDGuid
4. Add a Build Dictionary action to the workflow. Configure the action as follows:
   • Key: Accept
   • Type: Text
   • Value: application/json;odata=verbose
   • Output: requestHeaders ?
5. Add a Call HTTP Web Service action to the workflow. Configure the action as follows:
   • Address: {Workflow Context:Current site URL}/_api/contextinfo
   • Request Type: HTTP Post
   • Request Headers: requestHeaders (this is the variable set in step 3)
   • Request Content:
   • Response Content: responseContent 
   • Response Headers:
   • Response Status Code: responseStatusCode?
6. Add a Get An Item From A Dictionary action to the workflow. Configure the action as follows:
   • Dictionary: responseContent (this will be the variable set in step 5)
   • Item Name or Path: d/GetContextWebInformation/FormDigestValue
   • Output: FormDigestValue
7. Add a Web Request action to the workflow. Configure the action as follows:
   • URL: {Workflow Context:Current site URL}/_api/Web/Lists/getbytitle('yourList')/items(1)
   • Method: POST
     • Content Type: application/json;odata=verbose
     • Header name (key): X-RequestDigest
     • Header value: {Variable: FormDigestValue} (this will be the variable set in step 6)
     • Header name (key): IF-Match
     • Header value: *
     • Header name (key): X-HTTP-Method
     • Header value: MERGE
   • Body: Content

     {{"TargetMMDColumn":{{"__metadata":{{"type":"SP.Taxonomy.TaxonomyFieldValue"}},"Label":"{Variable:MMDlabel}‌","TermGuid":"{Variable:MMDGuid}‌","WssId":"-1"}},"__metadata":{{"type":"SP.ListItem"}}}}

   • Username: FILL USERNAME HERE
   • Password: Value: **********