HPLAYER (System Variable)

Specifies a default layer for new hatches and fills in the current drawing.

Type: String
Saved in: Drawing
Initial value: use current

This control is available from the Hatch Editor contextual tab, Properties drop-down panel.

Values other than the "." (use current) value override the current layer (CLAYER system variable). You can specify a currently nonexistent layer as the default layer for new hatches and fills.