How to handle optional multiple file uploads (up to 5 files) in Custom App's multipart/form-data request?

Custom Apps
1

Current Issue:
When uploading only 2 images, my request includes empty file entries for files 3-5, causing API errors.

Example of current request when adding 2 files: {
“style”: “realistic_image”,
“file1”: {
“value”: “IMTBuffer(…)”, // First image data
“options”: {
“filename”: “image1.png”,
“contentType”: “image/png”
}
},
“file2”: {
“value”: “IMTBuffer(…)”, // Second image data
“options”: {
“filename”: “image2.png”,
“contentType”: “image/png”
}
},
“file3”: {
“value”: undefined, // Empty - causing error
“options”: {
“contentType”: “image/png”
}
},
“file4”: {
“value”: undefined, // Empty - causing error
“options”: {
“contentType”: “image/png”
}
},
“file5”: {
“value”: undefined, // Empty - causing error
“options”: {
“contentType”: “image/png”
}
}
}

What I need:
When user uploads 2 files, request should only include:

  • style parameter
  • file1 with first image
  • file2 with second image
  • NO empty file3, file4, or file5 entries

What’s the correct way to structure the communication section to only include the files that are actually uploaded?

2

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