The ornamental design for an endcap for a touch bar for a passagewaydoorlock, as shown and described.
FIG. 1 is a perspective view of an end cap for a touch bar for a passageway door lock showing my design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left elevational view thereof;
FIG. 5 is a right elevational view thereof;
FIG. 6 is a top plan view thereof; and
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view illustrating a passageway door lock including a touch bar with the end cap, the phantom lines being for illustrative purposes only and forming no part of the claimed design.