assigning transparency in capabilities

matthias_vc — Fri, 11 Aug 2023 09:48:25 GMT

Hi,
I'm trying to customise the formatting pane of my visual.
When adding "transparency" I noted that it shows differently than if I add "transparency1". So I guess it's some keyword PowerBI identifies as something to display differently.
That's okay, however I've lost my mapping between what's on the formatting pane and what gets sent to my visual.
e.g. this is my capabilities code (excerpt)

"shading": { "displayName": "Triangular Shading", "properties": { "show":{ "displayName": "Show Shading", "type":{ "bool": true } }, "transparency": { "displayName": "Transparency", "type": { "numeric": true } } } },

whereas this is my code where I populate my capabilities:

export function enumerateMSTAInstances(options: EnumerateVisualObjectInstancesOptions, visual:Visual): VisualObjectInstanceEnumeration { let objectName = options.objectName; let objectEnumeration: VisualObjectInstance[] = []; if (!visual.mstaSettings) { console.log("early abortion") return objectEnumeration; } const staticSelector: powerbi.data.Selector = {}; let Categories = options; switch (objectName) { ... case 'shading': objectEnumeration.push({ objectName: objectName, properties: { show: visual.mstaSettings.shading.show, transparency:visual.mstaSettings.shading.transparency }, selector: staticSelector }); break; }; return objectEnumeration; }

there's of course more code related to saving this setting and using it, but in general my problem is this:
-> If I change all occurences of "transparency" to "transparencyTest" it works (but shows a regular Number Slicer). If I change all those occurences back from "transparencyTest" to "transparency" it doesn't work anymore.
Clearly it's because "transparency" is somehow special, but how can I use it?

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assigning transparency in capabilities