Changes
In order to sign a pdf document within the UBIK mobile application you need an installed pdf reader on your mobile device.
[[File:Signing_01.png|thumb|50 30 px|Pict. 101]][[File:Signing_02.png|thumb|50 30 px|Pict. 202]]
The signing of a pdf document will be explained in following steps:
'''1. Open an existing pdf document underneath of the assigned object (Pict. 101)'''
'''2. Click on any position in the pdf document in order to see the menu bar (Pict. 202)'''
