Adds 910$a$b with pre-set initials and the current date in YYYYMMDD format; updates Cat Date field to the current date
Scope: Window/Program specific. To run in bib record only I have it set to Window Title: b* (note, not limited to Sierra).
Macro in MacEx direct editor, where XXX are your Sierra initials:
<MACRO PLAYBACK SPEED Speed="2"/>
<TEXT TYPE Action="0" Text="y910 XXX|b"/>
<DATE/TIME Format="yyyymmdd" Flags="\x30" Date="8/22/2018 2:48:59 PM" Day_Offset="0" Month_Offset="0" Year_Offset="0" Hour_Offset="0" Minute_Offset="0" Second_Offset="0" Left="Center" Top="Center" Monitor="1" IsDateVar="FALSE"/>
<DELAY Flags="\x11" Time=".4"/>
<TEXT TYPE Action="0" Text="<ALTD>e<ALTU>"/>
<DELAY Flags="\x11" Time=".4"/>
<TEXT TYPE Action="0" Text="2"/>
<DELAY Flags="\x11" Time=".4"/>