https://community.graphisoft.com/t5/Libraries-objects/Custom-Section-Markers/m-p/24102#M38727 I'm no GDL expert Tom, but I believe the gsm part has to be of the 'Marker' Sub Type. Hit the Select Subtype... button in the Object's dialog.<BR /> <BR /> Cheers,<BR /> Link.<BR /><IMG src="https://community.graphisoft.com/t5/image/serverpage/image-id/7973i34081CBF988ABDBA/image-size/large?v=v2&amp;px=999" border="0" alt="Marker.jpg" title="Marker.jpg" /> Thu, 17 Feb 2005 23:11:23 GMT Link 2005-02-17T23:11:23Z https://community.graphisoft.com/t5/Libraries-objects/Custom-Section-Markers/m-p/24101#M38726 <DIV class="actalk-migrated-content"><T>Within the section marker tool, one of the marker options is "load other section marker....". When attempting to select another section marker, none of the .gsm parts are selectable. What is it looking for and how does one create a selectable custom section marker?</T></DIV> Thu, 17 Feb 2005 22:39:21 GMT https://community.graphisoft.com/t5/Libraries-objects/Custom-Section-Markers/m-p/24101#M38726 TDabney 2005-02-17T22:39:21Z https://community.graphisoft.com/t5/Libraries-objects/Custom-Section-Markers/m-p/24102#M38727 I'm no GDL expert Tom, but I believe the gsm part has to be of the 'Marker' Sub Type. Hit the Select Subtype... button in the Object's dialog.<BR /> <BR /> Cheers,<BR /> Link.<BR /><IMG src="https://community.graphisoft.com/t5/image/serverpage/image-id/7973i34081CBF988ABDBA/image-size/large?v=v2&amp;px=999" border="0" alt="Marker.jpg" title="Marker.jpg" /> Thu, 17 Feb 2005 23:11:23 GMT https://community.graphisoft.com/t5/Libraries-objects/Custom-Section-Markers/m-p/24102#M38727 Link 2005-02-17T23:11:23Z https://community.graphisoft.com/t5/Libraries-objects/Custom-Section-Markers/m-p/24103#M38728 Link -<BR /> Thanks, that's it. I've never messed w/the subtype before!<BR /> Tom Fri, 18 Feb 2005 00:12:26 GMT https://community.graphisoft.com/t5/Libraries-objects/Custom-Section-Markers/m-p/24103#M38728 TDabney 2005-02-18T00:12:26Z