Markers and function - Charts

Migrateduser

<p><span style="color:rgb(0,0,0);font-family:'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;background-color:rgb(244,244,244);">Is it possible to use a function/expression as a marker, instead of being limited to use a static value? Can't find that option. Is there any workaround?</span></p>