code: public static base_response update(nitro_service client, vpnformssoaction resource) throws Exception {
  		vpnformssoaction updateresource = new vpnformssoaction();
  		updateresource.name = resource.name;
  		updateresource.actionurl = resource.actionurl;
  		updateresource.userfield = resource.userfield;
  		updateresource.passwdfield = resource.passwdfield;
  		updateresource.ssosuccessrule = resource.ssosuccessrule;
  		updateresource.responsesize = resource.responsesize;
  		updateresource.namevaluepair = resource.namevaluepair;
  		updateresource.nvtype = resource.nvtype;
  		updateresource.submitmethod = resource.submitmethod;
  		return updateresource.update_resource(client);
  	}
docs: Use this API to update vpnformssoaction.