nl_tokens: Validates a field name against a type in the schema
pl_tokens: function ( type , field ) { var objDesc = sforce . db . schema [ type ] ; for ( var i = 0 ; i < objDesc . fields . length ; i ++ ) if ( objDesc . <mask> [ i ] . name === field ) return ; throw 'No field exists by the name: ' + field + 'in the type: ' + type ; }