3D interaction surface was added as an option to automation, together with load case performance output.

{
    "commandType" : "SECTION_ANA_SURFACE",
    "commandID" : "interaction_test",
    "wantReport" : true,
    "analysisDetails" : {
        "sectionRef" : "SS1",
        "incrementsNA" : 74,
        "incrementsStrain" : 50,
        "ignoreCompressionReinforcement" : true,
        "capacityReductionFactor": 0.75,
        "includeUnits" : true
    }
}