code: function(ops, callback) {
          if(!callback) callback = function() { };
  
          //name of the script to run for supervisord
          if(!ops.name) ops.name = 'undefined';
  
          var supervisordName = this._name(ops.name);
          
          //script exists? split it apart
          if(ops.script) {
               ops.directory =  ops.script.split('.').length == 1 ? ops.script :path.dirname(ops.script);
  
              try {
                  var package = JSON.parse(fs.readFileSync(ops.directory + '/package.json'));
  
                  if(!package.main && package.bin) {
                      for(var binName in package.bin) {
                          ops.command = ops.directory + '/' + package.bin[binName];
                      }
                  }
              } catch(e) {
                  
              }
              
              if(!ops.command) ops.command = 'node ' + ops.script +' '+ (ops.args || []).join(' ');
          }
  
          var envStr;
  
          if(ops.environment) {
              var envBuffer = [];
  
              for(var property in ops.environment) {
                  envBuffer.push(property + '=' + ops.environment[property]);
              }
  
              envStr = envBuffer.join(',');
          }
  
  
          //directory to script - chdir for supervisord
          //if(!ops.directory) return callback('directory is not provided');
  
          //the command to use for running supervisord
          if(!ops.command) return callback('command not provided');
          
          if(!ops.name) return callback('Name not provided');
           
          var self = this;
  
  
          var update = this._query({
              supervisordName: supervisordName, 
              name: ops.name,
              directory: ops.directory, 
              command: ops.command,
              environment: envStr,
              stdout_logfile: this.logsDir + '/' + supervisordName + '.log',
              stderr_logfile: this.logsDir + '/' + supervisordName + '-err.log'
          });
          
          //insert into the beet db 
          this._collection.update({ _id: this._id(supervisordName) }, { $set: update }, { upsert: true }, function(err, result){
              if(callback) callback(err, result);
          });
      }
docs: addes a process to a given group