nl_tokens: Cancel upload of a specific FlowFile object from the list .
pl_tokens: function ( file ) { for ( var i = this . files . length - 1 ; i >= 0 ; i -- ) { if ( this . files [ i ] === file ) { this . files . splice ( i , 1 ) ; file . abort ( ) ; this . fire ( 'fileRemoved' , <mask> ) ; } } }