public function setAction($var)
    {
        GPBUtil::checkEnum($var, \Google\Cloud\Iam\V1\BindingDelta_Action::class);
        $this->action = $var;

        return $this;
    }
public function setAction($var)
    {
        GPBUtil::checkEnum($var, \Google\Cloud\Iam\V1\BindingDelta_Action::class);
        $this->action = $var;

        return $this;
    }
public function setAction ( $ var ) { GPBUtil :: checkEnum ( $ var , \ Google \ Cloud \ Iam \ V1 \ BindingDelta_Action :: class ) ; $ this -> action = $ var ; return $ this ; }
The action that was performed on a Binding.
Required

Generated from protobuf field <code>.google.iam.v1.BindingDelta.Action action = 1;</code>
@param int $var
@return $this
The action that was performed on a Binding . Required