This is an example of of a script I made for myself some time back.

You should be able to figure out from it what you need to do.

(you should see that many off the lines are not needed )

#target "InDesign"
app.displayPerformancePreferences.ignoreLocalSettings=0;
app.displayPerformancePreferences.defaultDisplaySettings = ViewDisplaySettings.highQuality;
myDoc = app.activeDocument;
app.scriptPreferences.enableRedraw =0;
myPage = app.activeWindow.activePage.name;
userHoriz = app.documents[0].viewPreferences.horizontalMeasurementUnits;
userVert = app.documents[0].viewPreferences.verticalMeasurementUnits;
 
app.documents[0].viewPreferences.horizontalMeasurementUnits = MeasurementUnits.MILLIMETERS;
app.documents[0].viewPreferences.verticalMeasurementUnits = MeasurementUnits.MILLIMETERS;
try {app.doScript("threeRoses()", ScriptLanguage.javascript, undefined, UndoModes.FAST_ENTIRE_SCRIPT, "Three Roses");}
catch (noObjectStyles) {
    objectStyleSetup ();
    app.doScript("threeRoses()", ScriptLanguage.javascript, undefined, UndoModes.FAST_ENTIRE_SCRIPT, "Three Roses");}
 
app.documents[0].viewPreferences.horizontalMeasurementUnits = userHoriz;
app.documents[0].viewPreferences.verticalMeasurementUnits = userVert;
 
function threeRoses()
{
myInsertionPoint=app.selection[0].insertionPoints[0];
frame = myInsertionPoint.parentTextFrames[0];
frame.localDisplaySetting = DisplaySettingOptions.HIGH_QUALITY;
    roseFile="C:/InDesign/Pastes/individual flowers.ai";
   roseStyle=myDoc.objectStyles.item("Three Roses");
myRose= myInsertionPoint.rectangles.add({geometricBounds:[0, 0, 4, 18],  appliedObjectStyle: roseStyle, localDisplaySetting: DisplaySettingOptions.HIGH_QUALITY});
myRose.contentType=ContentType.GRAPHIC_TYPE;
//myRose.visible=0;
myRose.place(roseFile);  
myRose.localDisplaySetting = DisplaySettingOptions.HIGH_QUALITY;
}   
 function objectStyleSetup ()
 {
enabled= {enableTextFrameGeneralOptions:1, enableAnchoredObjectOptions:1, enableStrokeAndCornerOptions:1,enableTextWrapAndOthers:1,enableFrameFittingOptions:1};
try {
var threeRoses = myDoc.objectStyles.item("Three Roses");
// threeRoses.remove();
var myName = threeRoses.name;
    }
    catch (myError){
        //The object style did not exist, so create it.
        threeRoses = myDoc.objectStyles.add({name:"Three Roses"});
    }
with (threeRoses) {
anchoredObjectSettings.anchorPoint = AnchorPoint.TOP_CENTER_ANCHOR;    
anchoredObjectSettings.horizontalReferencePoint=AnchoredRelativeTo.TEXT_FRAME;    
anchoredObjectSettings.horizontalAlignment=HorizontalAlignment.CENTER_ALIGN;
anchoredObjectSettings.verticalAlignment = VerticalAlignment.TOP_ALIGN;
anchoredObjectSettings.verticalReferencePoint =VerticallyRelativeTo.LINE_BASELINE;
anchoredObjectSettings.anchorYoffset = 3;
anchoredObjectSettings.anchoredPosition = AnchorPosition.ANCHORED;
textWrapPreferences.textWrapMode=TextWrapModes.JUMP_OBJECT_TEXT_WRAP;
textWrapPreferences.textWrapOffset=[1,1,1,1];
frameFittingOptions.autoFit=1;
frameFittingOptions.fittingOnEmptyFrame=EmptyFrameFittingOptions.CONTENT_TO_FRAME;
frameFittingOptions.fittingAlignment=AnchorPoint.TOP_RIGHT_ANCHOR;
strokeWeight=0;
properties= enabled;
}
}