insert_em_field_line# Q3d.insert_em_field_line(assignment: str, points: int = 1000, name: str | None = None) → NearFieldSetup# Create a EM field line. Parameters: assignmentstrPolyline name. pointsfloat, str, optionalNumber of points. The default value is 1000. namestr, optionalName of the sphere. The default is None. Returns: ansys.aedt.core.modules.hfss_boundary.NearFieldSetup