direction
Direction of the light source specified as a azimuthal angle, p polar angle where a indicates the azimuthal angle of the light relative to north (in degrees and proceeding clockwise), and p indicates polar angle of the light (from 0 degree, directly above, to 180 degree, directly below). Default value: 210,30. Minimum value: 0,0. Maximum value: 360,90.
This is an Expression representation of "direction".