maphubs:imagessection to the
metadataThis defines a small image, in this case an SVG vector icon of a stripe pattern, that will be repeated to create the fill.
paintsection with the name of the image you created above
pathelement of the SVG icon
image/svg+xml;base64,in the legend html. Paste your SVG into a tool like https://www.base64encode.org/ to get the encoded value.