Gst-nvinfer plugin

I am trying to add Gst-nvinfer to deepstream-app, I see no result
what is the correct method

[Gst-nvinfer]
enable=1
model-engine-file=/opt/nvidia/deepstream/deepstream-4.0/samples/models/Secondary_CarMake/resnet18.caffemodel_b16_int8.engine
batch-size=16
gpu-id=0
gie-unique-id=6
operate-on-gie-id=1
operate-on-class-ids=2
config-file=Secondary_CarMake.txt

Hello @Ravik,

Please following samples config and reference to this guide application configure groups. Reference Application Configuration

Thanks but my question is different and we have resolved it