<a href="[[~docid?content=my custom value&longtitle=my custom longititle]]">link to modify resource value</a>
<a href = "[[~12? &propertyName=`value`]]"> Link Text</a>
<a href="[[~docid]]?content=[[*probablyatemplatevariable]]&longtitle=[[*longtitle]]">link to modify resource value</a>