FIXED – MS Flow HTTP 400 – Managed Metadata

Wanted to share resolution for tagging Managed Metadata term in MS Flow and seeing error HTTP 400.  Managed Metadata terms are stored in SharePoint with GUID identifiers.   That enables us to rename terms while preserving all current tag usage.  However, it means that we must use GUID when adding and updating tag values to ensure lookup saves successful.  Cheers shades_smile

Error

HTTP 400.  The data returned from the tagging UI was not formatted correctly.

Resolution

Format text for Managed Metadata tag as “VALUE | GUID”.  For example, here we have “JavaScript|6f634666-d2a6-4367-9b65-4bb4ab33afc6” in the MS Flow Set Variable set.  Publish, run flow, and confirm SPListItem successfully added to demo list.

Video

Screenshots

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