Grab Photo ID

Assuming the max number of photos is 1, this expression grabs the one photo id in the form and adds it to the feature id field. $feature_id and $photos are both strings, so you can add them together with a '+'.

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Note
Photo elements have two properties. They look like this: json {"photo_id: "", "caption": "Test caption"}.

var photo;

if ($photos.length > 0) {
  photo = $photos[0].photo_id;
  SETRESULT($feature_id + photo);
} else {
  SETRESULT('');
}

Updated 6 months ago