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Unable to use vision capabilities and prompt in custom extension #239976

@DanaMartens

Description

@DanaMartens

Type: Bug

I am trying to include functionality in my custom extension to leverage the new ability to use vision capabilities of an AI model. The testing I have done manually in the Chat UI show great results but I am trying to get it to work in a custom command in my extension. I am able to add an image to the chat context successfully but when I programmatically sent a prompt to the AI model it doesn't seem to be able to answer questions about the image. I may be missing something though. Is there something specific you need to do to get the prompt to be able to reference the image? I can see it is part of the request but not sure if I need to reference it somehow specifically in the code or if the prompt should automatically leverage it as part of the chat context.

VS Code version: Code - Insiders 1.97.0-insider (e72728b, 2025-02-03T22:42:32.123Z)
OS version: Windows_NT x64 10.0.26100
Modes:

System Info
Item Value
CPUs 11th Gen Intel(R) Core(TM) i7-1185G7 @ 3.00GHz (8 x 2995)
GPU Status 2d_canvas: enabled
canvas_oop_rasterization: enabled_on
direct_rendering_display_compositor: disabled_off_ok
gpu_compositing: enabled
multiple_raster_threads: enabled_on
opengl: enabled_on
rasterization: enabled
raw_draw: disabled_off_ok
skia_graphite: disabled_off
video_decode: enabled
video_encode: enabled
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: enabled
webnn: disabled_off
Load (avg) undefined
Memory (System) 31.71GB (6.22GB free)
Process Argv
Screen Reader no
VM 0%
Extensions (3)
Extension Author (truncated) Version
copilot Git 1.266.1363
copilot-chat Git 0.24.2025020602
ms-learn ms- 0.3.0
A/B Experiments
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vsaa593cf:30376535
py29gd2263:31024238
13748-chatv2:31230757
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962ge761:30841072
pythonnoceb:30776497
dsvsc014:30777825
dsvsc015:30821418
pythonmypyd1:30859725
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pythontbext0:30879054
cppperfnew:30980852
pythonait:30973460
dwnewjupytercf:31046870
nativerepl1:31134653
pythonrstrctxt:31093868
nativeloc1:31118317
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iacca1:31150324
notype1:31143044
dwcopilot:31158714
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dwoutputs:31217127
9064b325:31222308
copilot_t_ci:31222730
9hfj7396:31230372
g012b348:31231168

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