# Marker.zaxis()

MDL FunctionReturns the vector of marker z-axis in global reference frame. It is defined to support the corresponding MotionView data member.

## Signature

z_axis = Marker.zaxis()

## Return Value

z_axis
Vector that defines the z-axis of marker in global reference frame.

## Usage

# Get the z-axis of marker1
z_axis = marker1.zaxis()