How to use json command to read ATTITUDE_QUATERNION on Web Browser?

Dear all,

I would like to read ATTITUDE_QUATERNION with MavLink commands using APSYNC.

I am reading the following manuar.

I would like to use the sample in this.,0,0,SCHED_DEBUG,0)

Should I change this to the following?,ATTITUDE_QUATERNION,100000,0)

And then read it out as follows?

Thank you.