Create json Theme for non-standard visuals

Hi DaleH

First, create an empty Power BI file, add a visual, set all the properties you want, save the file, and close Power BI Desktop. Next, you rename the file from *.pbix to *.zip and unzip the file. A detailed description of all files in the unzipped folder can be found here. Find the file Report/Layout in which all visuals of the report sheets are defined. 

Open the file in your preferred editor and format it as JSON. Then, navigate to the page with your visuals and find the visual you want to analyze. Go to the config property and copy its content. Replace \" with" and format the JSON code again. You will get the following: 

For more details, please refer to:

How To Discover Undocumented Theme Settings in Power BI Desktop | by Nolock | Medium

Best Regards,

Jianbo Li

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