Moves all selected points to an absolute position. Default zeroes all selected points on the X-Axis. Usage: >Copy the code to the script editor and execute it. >OR Create a script button and paste this code into the script button's script window.

pointaligner.py

from win32com.client import constants as const
xsi = Application
# Possible Values: siX, siY, siZ, siXY, siXZ, siYZ, siXYZ.
axis = const.siX
# Set to desired absolute values.
x = 0
y = 0
z = 0

def move_points():
    sel = xsi.Selection(0)
    if not sel:
        return
    subc = sel.SubComponent
    if not subc:
        return
    coll = subc.ComponentCollection
    if coll and coll[0].Type == 'Vertex':
        for vert in coll:
            xsi.Translate(vert, 0, 0, 0, const.siAbsolute, None, None, axis)
move_points()