(PowerShell) Referencing a Pre-Uploaded Image File by file_id in an AI Request

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Note: This example requires Chilkat v11.4.0 or greater.

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Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

$success = $false

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$ai = New-Object Chilkat.Ai

# OpenAI is currently the only AI provider that supports referencing a pre-uploaded image by file_id
# in a request for text generation.
$ai.Provider = "openai"

# Use your provider's API key.
$ai.ApiKey = "MY_API_KEY"

# Choose a model.
$ai.Model = "gpt-5-mini"

# See the following example showing how to upload a file
# Upload an Image File to an AI Provider

# Use the file_id of the pre-uploaded file.
$file_id = "file-5CnBeuFasqNcAfti3cx4Fe"
$ai.InputAddImageFileId($file_id,"application/json")

$ai.InputAddText("What is in this image?")

# Ask the AI for text output.
$success = $ai.Ask("text")
if ($success -eq $false) {
    $($ai.LastErrorText)
    exit
}

# Get the text response.
$sbResponse = New-Object Chilkat.StringBuilder
$ai.GetOutputTextSb($sbResponse)
$($sbResponse.GetAsString())