Set Mailbox activity receiving the Error: Data line 'function (from, to) {' is not in 'name=value' format. HRESULT: [-2146233079] - Support and Troubleshooting

Set Mailbox activity receiving the Error: Data line 'function (from, to) {' is not in 'name=value' format. HRESULT: [-2146233079] Issue Receiving the below error when attempting to use the Exchange - SetMailbox activity, using hard coded parameter for testing

Parameter passed in the format: EmailAddresses @{Add="test@test.com"}

Error: Data line 'function (from, to) {' is not in 'name=value' format. HRESULT: [-2146233079]

Stack Trace: at Microsoft.PowerShell.Commands.ConvertFromStringDataCommand.ProcessRecord() at System.Management.Automation.CommandProcessor.ProcessRecord()

Release Any

Cause Parameter is in the incorrect format. Expected to be in JSON format.

Resolution Make sure the parameter value on the Set Mailbox activity is in the JSON format.

After changing the value to the below format resolved the issue.

{"EmailAddresses":"test@test.com"}