Set multiple values in a multicontrol picklist field using either a Rule or a One-Click Action

[agreen-horizon]

Hi

It's currently not possible to set multiple values in a multivalue control picklist field using rules or a one-click action.

In this example, when I try to use a rule where the value of a given field (SQDC) equals the expected value (Delivery), I want to set 3 values in the multivalue control field (Class):

But this error is returned:

I also tried using a One Click Action to set multiple fields. However, having tested this, it just cycles through each value in the one-click action and stops when it reaches the last one. Only one value is every applied. I've attached a video clip of this behaviour:

https://github.com/microsoft/vsts-extension-multivalue-control/assets/20840466/0850d894-a9ca-4696-b29a-1bda9761a028

The One Click Action was set up as follows:

Please advise a solution or workaround to this issue.

Thanks