diff --git a/.ruby-version b/.ruby-version
index a4dd9db..944880f 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.7.4
+3.2.0
diff --git a/lib/mobilize_america_client/client.rb b/lib/mobilize_america_client/client.rb
index e1af6e2..a992cfd 100644
--- a/lib/mobilize_america_client/client.rb
+++ b/lib/mobilize_america_client/client.rb
@@ -1,4 +1,5 @@
 require 'faraday'
+require 'mobilize_america_client/client/enums'
 require 'mobilize_america_client/client/events'
 require 'mobilize_america_client/client/organizations'
 require 'mobilize_america_client/request'
@@ -14,10 +15,11 @@ def initialize(options = {})
 
       api_domain = options[:api_domain] || API_DOMAIN
 
-      @connection = Faraday.new(url: "https://#{api_domain}")
+      @connection = Faraday.new(url: "https://#{api_domain}", request: { params_encoder: Faraday::FlatParamsEncoder })
     end
 
     include MobilizeAmericaClient::Request
+    include MobilizeAmericaClient::Client::Enums
     include MobilizeAmericaClient::Client::Events
     include MobilizeAmericaClient::Client::Organizations
   end
diff --git a/lib/mobilize_america_client/client/enums.rb b/lib/mobilize_america_client/client/enums.rb
new file mode 100644
index 0000000..9c7195b
--- /dev/null
+++ b/lib/mobilize_america_client/client/enums.rb
@@ -0,0 +1,9 @@
+module MobilizeAmericaClient
+  class Client
+    module Enums
+      def enums
+        get(path: '/enums')
+      end
+    end
+  end
+end
diff --git a/lib/mobilize_america_client/client/events.rb b/lib/mobilize_america_client/client/events.rb
index 5f12ab6..93d6500 100644
--- a/lib/mobilize_america_client/client/events.rb
+++ b/lib/mobilize_america_client/client/events.rb
@@ -2,7 +2,8 @@ module MobilizeAmericaClient
   class Client
     module Events
       def organization_events(organization_id:, timeslot_start: nil, timeslot_end: nil, updated_since: nil,
-                              max_distance_miles: nil, page: nil, per_page: nil, zipcode: nil)
+                              max_distance_miles: nil, page: nil, per_page: nil, zipcode: nil,  event_campaign_id: nil,
+                              tag_ids: nil, event_types: nil, is_virtual: nil, exclude_full: nil)
         params = {}
 
         unless page.nil?
@@ -33,6 +34,26 @@ def organization_events(organization_id:, timeslot_start: nil, timeslot_end: nil
           end
         end
 
+        unless event_campaign_id.nil?
+          params[:event_campaign_id] = event_campaign_id.to_i
+        end
+
+        unless tag_ids.nil? || tag_ids.empty?
+          params[:tag_id] = tag_ids.join(',')
+        end
+
+        unless event_types.nil? || event_types.empty?
+          params[:event_types] = event_types.join(',')
+        end
+
+        unless is_virtual.nil?
+          params[:is_virtual] = is_virtual ? 'true' : 'false'
+        end
+
+        unless exclude_full.nil?
+          params[:exclude_full] = exclude_full ? 'true' : 'false'
+        end
+
         get(path: "/organizations/#{esc(organization_id)}/events", params: params)
       end
     end
@@ -40,5 +61,13 @@ def organization_events(organization_id:, timeslot_start: nil, timeslot_end: nil
     def organization_event(organization_id:, event_id:)
       get(path: "/organizations/#{esc(organization_id)}/events/#{esc(event_id)}")
     end
+
+    def organization_event_attendances(organization_id:, event_id:)
+      get(path: "/organizations/#{esc(organization_id)}/events/#{esc(event_id)}/attendances")
+    end
+
+    def create_organization_event_attendance(organization_id:, event_id:, attendance_data:)
+      post(path: "/organizations/#{esc(organization_id)}/events/#{esc(event_id)}/attendances", body: attendance_data)
+    end
   end
 end
diff --git a/lib/mobilize_america_client/request.rb b/lib/mobilize_america_client/request.rb
index e053f64..08cd6a6 100644
--- a/lib/mobilize_america_client/request.rb
+++ b/lib/mobilize_america_client/request.rb
@@ -6,7 +6,11 @@ module Request
     API_BASE_PATH = '/v1'.freeze
 
     def get(path:, params: {})
-      request(method: :get, path: path, params: params)
+      request(method: :get, path:, params:)
+    end
+
+    def post(path:, body:)
+      request(method: :post, path:, body:)
     end
 
     private
diff --git a/spec/client/enums_spec.rb b/spec/client/enums_spec.rb
new file mode 100644
index 0000000..56df1e5
--- /dev/null
+++ b/spec/client/enums_spec.rb
@@ -0,0 +1,19 @@
+require 'spec_helper'
+
+RSpec.describe MobilizeAmericaClient::Client::Enums do
+  let(:standard_headers) { {'Content-Type' => 'application/json'} }
+
+  subject { MobilizeAmericaClient::Client.new }
+
+  let(:base_url) { "https://#{MobilizeAmericaClient::Client::API_DOMAIN}#{MobilizeAmericaClient::Client::API_BASE_PATH}" }
+
+  describe '#enums' do
+    let(:enums_url) { "#{base_url}/enums" }
+    let(:response) { {'hello' => 'world'} }
+
+    it 'should call the endpoint and return JSON' do
+      stub_request(:get, enums_url).with(headers: standard_headers).to_return(body: response.to_json)
+      expect(subject.enums).to eq response
+    end
+  end
+end
diff --git a/spec/client/events_spec.rb b/spec/client/events_spec.rb
index 3609ce3..9cbe544 100644
--- a/spec/client/events_spec.rb
+++ b/spec/client/events_spec.rb
@@ -75,6 +75,41 @@
         .to_return(body: response.to_json)
       expect(subject.organization_events(organization_id: org_id, page: 2, per_page: 100)).to eq(response)
     end
+
+    it 'should support an event campaign id parameter' do
+      stub_request(:get, events_url)
+        .with(headers: standard_headers, query: {event_campaign_id: 1})
+        .to_return(body: response.to_json)
+      expect(subject.organization_events(organization_id: org_id, event_campaign_id: 1)).to eq(response)
+    end
+
+    it 'should support a tag ids parameter' do
+      stub_request(:get, events_url)
+        .with(headers: standard_headers, query: {tag_id: 'foo,bar'})
+        .to_return(body: response.to_json)
+      expect(subject.organization_events(organization_id: org_id, tag_ids: ['foo', 'bar'])).to eq(response)
+    end
+
+    it 'should support an event types parameter' do
+      stub_request(:get, events_url)
+        .with(headers: standard_headers, query: {event_types: 'foo,bar'})
+        .to_return(body: response.to_json)
+      expect(subject.organization_events(organization_id: org_id, event_types: ['foo', 'bar'])).to eq(response)
+    end
+
+    it 'should support a virtual parameter' do
+      stub_request(:get, events_url)
+        .with(headers: standard_headers, query: {is_virtual: true})
+        .to_return(body: response.to_json)
+      expect(subject.organization_events(organization_id: org_id, is_virtual: true)).to eq(response)
+    end
+
+    it 'should support an exclude full parameter' do
+      stub_request(:get, events_url)
+        .with(headers: standard_headers, query: {exclude_full: true})
+        .to_return(body: response.to_json)
+      expect(subject.organization_events(organization_id: org_id, exclude_full: true)).to eq(response)
+    end
   end
 
   describe '#organization_event' do