try {
CalendlyApi.OrganizationMembershipQueryParams params = new CalendlyApi.OrganizationMembershipQueryParams();
CalendlyApi.OrganizationMembershipCollection result = organization.getOrganizationMemberships(params);
List<CalendlyApi.OrganizationMembership> memberships = new List<CalendlyApi.OrganizationMembership>();
memberships.addAll(result.collection);
Boolean hasNextPage = result.pagination.hasNextPage();
while (hasNextPage) {
result = result.pagination.nextPage();
memberships.addAll(result.collection);
hasNextPage = result.pagination.hasNextPage();
}
System.debug('Memberships: ' + memberships);
} catch (CalendlyApi.CalendlyApiException e) {
System.debug('Error');
System.debug(e.message);
System.debug(e.title);
}