Display screen or portion thereof with transitional graphical user interface

Abstract

Description

FIG. 1 is a display screen or portion thereof with transitional graphical user interface showing a first image in a sequence;

FIG. 2 is a second image in a sequence thereof;

FIG. 3 is a third image in a sequence thereof; and,

FIG. 4 is a fourth image in a sequence thereof.

The broken line showing of a display screen or portion thereof and portions of a graphical user interface is included for the purpose of illustrating portions of the article and forms no part of the claimed design; the broken line showing of a mobile device is included for the purpose of illustrating environmental structure and forms no part of the claimed design.

The process or period in which one image transitions to another forms no part of the claimed design.

Claims

The ornamental design for a display screen or portion thereof with transitional graphical user interface, as shown and described.