Expression parse error: "datum.stack == 'stk1' ? datum.stk1+' '+datum.stk2 : datum.stk2+' '+datum.stk1"

Elastic Stack Kibana
1

Hi,
I have been trying to work on Sankey visualization using vega charts. I tried exactly the same way it's been mentioned in the documentation. sankey-visualization-with-vega-in-kibana. No matter what I do, I'm still facing the expression parser error.
Expression parse error: "datum.stack == 'stk1' ? datum.stk1+' '+datum.stk2 : datum.stk2+' '+datum.stk1"
PS: I tried with ELK 6.2,6.7,6.8 and 7.0. Faced the same issue in all

2

Hi @guruprasanth. Looks like we have accidentally included URL encoded apostrophes in the blog post ('). If you replace all instances of ' with ', the visualization should work.

I'll have the blog post updated accordingly.

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