Heatmap Tooltip Values

I have a heatmap showing the MoM % change in treatment count per area. I want to add the treatment counts from each period into the tooltip, however, I have noticed with looker heatmaps that the first field in the data (that is not hidden) is shown in the data.

The problem is that the % change is a table calculation and I cannot put it in front of a measure. Is there a workaround to this issue?

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Hi Jaziz,

Thanks for your question. Your findings are correct in that data in the tooltips is sourced from fields defined within the LookML layer. The easiest solve here is to include your caluclation within LookML. Here is a link to the Heatmap Documentation for more information about options within the tool tip. 

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