Custom UI SDK Image Gallery not rendering in Appian 25.4 (Portals & Sites)
Hi everyone,
I am developing a Custom UI SDK component (JavaScript/Web Component) to create a custom image gallery. My goal is to have this component working seamlessly in both Appian Sites and Appian Portals in version 25.4.
The Problem: I have tried using existing plugins and my own custom code, but images are not rendering. When passing the Document IDs to the SDK, the component fails to display the images. I suspect this is due to session/authentication restrictions or how the source URL is being handled, especially considering the architectural differences between Portals and Sites.
Technical Details:
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Version: Appian 25.4.
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Component type: UI SDK (JavaScript).
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Current approach: Passing a list of Document IDs and trying to resolve them within the component.
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Issue: The
<img>tags remain empty or return 401/403 errors when the component is loaded.
What I need help with:
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What is the best practice for passing Appian Documents to a Custom UI SDK so they are accessible in both Portals (Public/Service Account) and Sites (User Session)?
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Are there specific CORS or Security settings I should check to ensure the SDK can fetch these assets?
- Through the link I get with document url, I can download it but I can't view it
Any code snippets or architectural advice would be greatly appreciated.
Thanks in advance!