This actually splits the session into PET and MR sessions.

splitPetMrSessionProject1.json

{
    "event": "dicomImport",
    "content": "import org.dcm4che2.data.Tag\n\nlogger.info(\"Now running the splitPetMrSession script for project ${projectId}, I was passed ${defaultValue}\")\ndef sopClassUID = dicom.getString(Tag.SOPClassUID)\ndef modality = dicom.getString(Tag.Modality)\ndef seriesDescription = dicom.getString(Tag.SeriesDescription)\ndef isPet = \"PT\".equals(modality) || (\"1.3.12.2.1107.5.9.1\".equals(sopClassUID) && \"PET Start\".equals(seriesDescription))\nlogger.info(\"Found sopClassUID: ${sopClassUID}\")\nlogger.info(\"Found modality: ${modality}\")\nlogger.info(\"Found seriesDescription: ${seriesDescription}\")\nlogger.info(\"Found isPet: ${isPet}\")\ndef returnValue = isPet ? defaultValue.reverse().replaceFirst(\"RM\", \"TEP\").reverse() : defaultValue\nlogger.info(\"Result: ${returnValue}\")\n\"${returnValue}\"\n",
    "language": "groovy",
    "languageVersion": "2.3.6"
}

This can be PUT to the server with a URL like this:

http://server/data/projects/prj001/automation/scripts/splitPetMrSessionProject1