diff --git a/src/models/Field.ts b/src/models/Field.ts
index a3ac7e9..fc57bf3 100644
--- a/src/models/Field.ts
+++ b/src/models/Field.ts
@@ -1,15 +1,58 @@
 import { FieldStatus } from '../enums/FieldStatus';
 import { FieldType } from '../enums/FieldType';
 
+/**
+ * @class Field - Represents a Field.
+ */
 export class Field {
+  /**
+   * @property {number} id - The id of the Field.
+   */
   public id: number;
+
+  /**
+   * @property {number} appId - The id of the App that the Field belongs to.
+   */
   public appId: number;
+
+  /**
+   * @property {number} name - The name of the Field.
+   */
   public name: string;
+
+  /**
+   * @property {FieldType} type - The type of the Field.
+   */
   public type: FieldType;
+
+  /**
+   * @property {FieldStatus} status - The status of the Field.
+   */
   public status: FieldStatus;
+
+  /**
+   * @property {boolean} isRequired - Indicates whether or not the Field is required.
+   */
   public isRequired: boolean;
+
+  /**
+   * @property {boolean} isUnique - Indicates whether or not the Field is required to be unique.
+   */
   public isUnique: boolean;
 
+  /**
+   * @constructor - Creates a new Field.
+   * @param {number} id - The id of the Field.
+   * @param {number} appId - The id of the App that the Field belongs to.
+   * @param {string} name - The name of the Field.
+   * @param {string} type - The type of the Field.
+   * @param {string} status - The status of the Field.
+   * @param {boolean} isRequired - Indicates whether or not the Field is required.
+   * @param {boolean} isUnique - Indicates whether or not the Field is required to be unique.
+   * @returns {Field} - A new Field.
+   * @throws {Error} - Throws an error if the type is not valid.
+   * @throws {Error} - Throws an error if the status is not valid.
+   */
   public constructor(
     id: number,
     appId: number,
diff --git a/src/models/OnspringClient.ts b/src/models/OnspringClient.ts
index 2814b5f..bc6fa61 100644
--- a/src/models/OnspringClient.ts
+++ b/src/models/OnspringClient.ts
@@ -58,8 +58,8 @@ export class OnspringClient {
 
   /**
    * @method getApps - Gets a paged list of apps.
-   * @param pagingRequest - The paging request that will be used to get the apps.
-   * @returns - A promise that resolves to an ApiResponse of type GetPagedAppsResponse.
+   * @param {PagingRequest} pagingRequest - The paging request that will be used to get the apps.
+   * @returns {Promise<ApiResponse<GetPagedAppsResponse>>} - A promise that resolves to an ApiResponse of type GetPagedAppsResponse.
    */
   public async getApps(
     pagingRequest: PagingRequest = new PagingRequest(1, 50)
@@ -77,8 +77,8 @@ export class OnspringClient {
 
   /**
    * @method getAppById - Gets an app by its id.
-   * @param appId - The id of the app to get.
-   * @returns - A promise that resolves to an ApiResponse of type App.
+   * @param {number} appId - The id of the app to get.
+   * @returns {Promise<ApiResponse<App>>} - A promise that resolves to an ApiResponse of type App.
    */
   public async getAppById(appId: number): Promise<ApiResponse<App>> {
     const endpoint = EndpointFactory.getAppByIdEndpoint(appId);
@@ -94,14 +94,14 @@ export class OnspringClient {
 
   /**
    * @method getAppsByIds - Gets a list of apps by their ids.
-   * @param getAppsByIds - The ids of the apps to get.
-   * @returns - A promise that resolves to an ApiResponse of type CollectionResponse<App>.
+   * @param {number[]} appIds - The ids of the apps to get.
+   * @returns {Promise<ApiResponse<CollectionResponse<App>>>} - A promise that resolves to an ApiResponse of type CollectionResponse<App>.
    */
   public async getAppsByIds(
-    getAppsByIds: number[]
+    appIds: number[]
   ): Promise<ApiResponse<CollectionResponse<App>>> {
     const endpoint = EndpointFactory.getAppsByIdsEndpoint();
-    const apiResponse = await this.post<any>(endpoint, getAppsByIds);
+    const apiResponse = await this.post<any>(endpoint, appIds);
 
     if (apiResponse.isSuccessful === false) {
       return apiResponse;
@@ -110,6 +110,11 @@ export class OnspringClient {
     return apiResponse.AsAppCollectionType();
   }
 
+  /**
+   * @method getFields - Gets a paged list of fields.
+   * @param {PagingRequest} pagingRequest - The paging request that will be used to get the fields.
+   * @returns {Promise<ApiResponse<Field>>} - A promise that resolves to an ApiResponse of type Field.
+   */
   public async getFieldById(fieldId: number): Promise<ApiResponse<Field>> {
     const endpoint = EndpointFactory.getFieldByIdEndpoint(fieldId);
     const apiResponse = await this.get<any>(endpoint);
@@ -137,11 +142,11 @@ export class OnspringClient {
   }
 
   /**
-   *
-   * @param endpoint - The endpoint that will be used to make the request.
-   * @param data - The data that will be sent with the request.
-   * @param config - The configuration that will be used to make the request.
-   * @returns - A promise that resolves to an ApiResponse of type T.
+   * @method post - Makes a POST request to the specified endpoint.
+   * @param {string} endpoint - The endpoint that will be used to make the request.
+   * @param {any} data - The data that will be sent with the request.
+   * @param {AxiosRequestConfig} config - The configuration that will be used to make the request.
+   * @returns {Promise<ApiResponse<T>>} - A promise that resolves to an ApiResponse of type T.
    */
   private async post<T>(
     endpoint: string,