[Feature Request] Add memo update feature

[KorDum]

Is your feature request related to a problem? Please describe.

From the documentation, it seems that workflow has the ability to specify memo notes (additional metadata) that could be used later in searches. I see in the PHP SDK the ability to populate a memo when workflow starts, but I don't see the ability to populate a memo during workflow execution.

I have an order creation workflow where I have the order number appear. I would like to add it to the memo and then use it when investigating incidents.

Maybe there's some other way?

Describe the solution you'd like

I'd like something like this:

Workflow::addMemo('key', 'value');

Additional context

Memo documentation

[roxblnfk]

Maybe there's some other way?

Hi. It looks like Search Attributes can be more useful in this case.
We are going to expose Typed Search Attributes with the next minor release.

But now you can use untyped ones https://php.temporal.io/classes/Temporal-Workflow.html#method_upsertSearchAttributes

[KorDum]

Thanks for the reply!
Will these attributes also be searchable through the Temporal UI?

[roxblnfk]

Yes. They will be visible, indexed, and searchable like WorkflowId or WorkflowType
https://docs.temporal.io/visibility#search-attribute

[rustatian]

@roxblnfk
Command name: UpsertMemo.
Json payload name: memo. Type map[string]any like in Search (not typed) attributes.

type UpsertMemo struct {
	// Memos to update.
	Memo map[string]any `json:"memo"`
}