Add library and header file of gstreamer for legato application develop

I want to develop legato application using gstreamer for video recording. but i do not known how to link or configured all library and header file with legato package/legato application.
please any one can help me step by step for link/configured library and header file with application(.cdef file and with .c file).
I took all library and header file from yocto build who already build by yocto

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