(Xojo Plugin) 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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Dim success As Boolean
success = False

success = False

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

Dim ai As New 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.
Dim file_id As String
file_id = "file-5CnBeuFasqNcAfti3cx4Fe"
success = ai.InputAddImageFileId(file_id,"application/json")

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

// Ask the AI for text output.
success = ai.Ask("text")
If (success = False) Then
    System.DebugLog(ai.LastErrorText)
    Return
End If

// Get the text response.
Dim sbResponse As New Chilkat.StringBuilder
success = ai.GetOutputTextSb(sbResponse)
System.DebugLog(sbResponse.GetAsString())