src/Camunda/Query/Attribute/Variables.php
public function addVariable(Variable $variable)
    {
        $this->variables[] = $variable;
        $this->_variables = true;

        return $this;
    }
public function addVariable(Variable $variable)
    {
        $this->variables[] = $variable;
        $this->_variables = true;

        return $this;
    }
public function addVariable ( Variable $ variable ) { $ this -> variables [ ] = $ variable ; $ this -> _variables = true ; return $ this ; }
Add variable

@param \Ds\Component\Camunda\Model\Variable $variable
@return object
Add variable