Attach_metadata_detector sequence

Please provide complete information as applicable to your setup.

• Hardware Platform (Jetson / GPU) Jetson
• DeepStream Version 6.2
• JetPack Version (valid for Jetson only) 5.0.1
• TensorRT Version
• NVIDIA GPU Driver Version (valid for GPU only)
• Issue Type( questions, new requirements, bugs) question
• How to reproduce the issue ? (This is for bugs. Including which sample app is using, the configuration files content, the command line used and other details for reproducing)
• Requirement details( This is for new requirement. Including the module name-for which plugin or for which sample application, the function description)

I have a question about gstnvinfer_meta_utils.cpp

When using the following pipeline,
PGIE(w/ custom parser) - Tracker,
when does the function "attach_metadata_detector"called?
Between PGIE and tracker or after tracker?

It was called in the nvinfer(PGIE):gst_nvinfer_output_loop in the sources\gst-plugins\gst-nvinfer\gstnvinfer.cpp file.

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