Hello, I'd like to refer to an attribute in a relevancy expression, but the attribute I want to refer to is some levels higher. How do I go about this? attribute to refer to: /sample_plot/region attribute with expression: /sample_plot/trees/samplecandidate Thanks!

Hello, I'd like to refer to an attribute in a relevancy expression, but the attribute I want to refer to is some levels higher. How do I go about this? attribute to refer to: /sample_plot/region attribute with expression: /sample_plot/trees/samplecandidate Thanks!