Custom workflow action not showing selected value

[AlbinK]

Hi,

We’ve recently created a Hubspot Application and everything was working fine up until today.

Our application has a workflow action which fetches external options. The fetching part still works and selecting the option but then we also show the label of the selected option inside the Action Card and for some reason this stopped working and is only showing: the options for this property didn’t load. As well as a 400 post request being sent with error message: Invalid input JSON on line 1, column 482: Cannot build SingleValueField, some of required attributes are not set [fieldLabel].

The value seems to still be selected and the action behaves as expected in all other regards besides showing the value that is selected.

To my knowledge we have not made any changes to the code or workflow action. Does anyone have an idea of how this can be resolved?

[AlbinK]

Adding some more information to this:

I recently did some testing just setting up a new workflow action with a webhook.site returning hardcoded options and it also behaves the same. The actions input type looks like this:

“typeDefinition”: {
“name”: “Event”,
“type”: “enumeration”,
“fieldType”: “select”,
“optionsUrl”: “webhook.site…”
},

Then the cardcontent is set to this:

“actionCardContent”: “Selected Event {{Event}}”

Which previously showed the selected label option of the selected event but currently only shows this upon saving: