original_string: public function deleteSMSAPICredential()
      {
          $this->checkCredentialManagementRights();
  
          $settings = $this->getCredentialManagerSettings();
  
          $settings[MobileMessaging::API_KEY_OPTION] = null;
  
          $this->setCredentialManagerSettings($settings);
  
          return true;
      }
code: public function deleteSMSAPICredential()
      {
          $this->checkCredentialManagementRights();
  
          $settings = $this->getCredentialManagerSettings();
  
          $settings[MobileMessaging::API_KEY_OPTION] = null;
  
          $this->setCredentialManagerSettings($settings);
  
          return true;
      }
code_tokens: public function deleteSMSAPICredential ( ) { $ this -> checkCredentialManagementRights ( ) ; $ settings = $ this -> getCredentialManagerSettings ( ) ; $ settings [ MobileMessaging :: API_KEY_OPTION ] = null ; $ this -> setCredentialManagerSettings ( $ settings ) ; return true ; }
docstring: delete the SMS API credential
  
  @return bool true
docstring_tokens: delete the SMS API credential