The $attrs Parameter cannot be resolved

version “bpmn-js”: “^7.2.0”

itemSubjectref $attrs There are data

itemSubjectRef $attrs No data


Can you please give a little more context? It’s hard to understand your problem otherwise.

For further assistance, please share a CodeSandbox that reproduces your issue in a way that we can inspect it.

Please see the


I see dataObject[0].$attrs resolves in an empty object. What do you want to achieve? What is your expected behavior?

I want to get the itemSubjectRef property

itemSubjectRef in attrs resolves in an empty object


The $attrs property is a place for properties not specified in the BPMN specification. Since itemSubjectRef is defined in the spec it can be accessed as a property of the data object. If it’s undefined that’s because the bpmn:ItemDefinition it’s referencing is missing.

Here’s a working example:

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