diff --git a/src/app/core/data/relationship.service.ts b/src/app/core/data/relationship.service.ts
index ec7dd7fc8d..d624238bb8 100644
--- a/src/app/core/data/relationship.service.ts
+++ b/src/app/core/data/relationship.service.ts
@@ -92,6 +92,14 @@ export class RelationshipService extends DataService<Relationship> {
     );
   }
 
+  /**
+   * Method to create a new relationship
+   * @param typeId The identifier of the relationship type
+   * @param item1 The first item of the relationship
+   * @param item2 The second item of the relationship
+   * @param leftwardValue The leftward value of the relationship
+   * @param rightwardValue The rightward value of the relationship
+   */
   addRelationship(typeId: string, item1: Item, item2: Item, leftwardValue?: string, rightwardValue?: string): Observable<RestResponse> {
     const options: HttpOptions = Object.create({});
     let headers = new HttpHeaders();
@@ -112,6 +120,10 @@ export class RelationshipService extends DataService<Relationship> {
     );
   }
 
+  /**
+   * Method to remove two items of a relationship from the cache using the identifier of the relationship
+   * @param relationshipId The identifier of the relationship
+   */
   private removeRelationshipItemsFromCacheByRelationship(relationshipId: string) {
     this.findById(relationshipId).pipe(
       getSucceededRemoteData(),
@@ -128,6 +140,10 @@ export class RelationshipService extends DataService<Relationship> {
     })
   }
 
+  /**
+   * Method to remove an item that's part of a relationship from the cache
+   * @param item The item to remove from the cache
+   */
   private removeRelationshipItemsFromCache(item) {
     this.objectCache.remove(item.self);
     this.requestService.removeByHrefSubstring(item.self);
@@ -258,6 +274,12 @@ export class RelationshipService extends DataService<Relationship> {
     );
   }
 
+  /**
+   * Method to retrieve a relationship based on two items and a relationship type label
+   * @param item1 The first item in the relationship
+   * @param item2 The second item in the relationship
+   * @param label The rightward or leftward type of the relationship
+   */
   getRelationshipByItemsAndLabel(item1: Item, item2: Item, label: string): Observable<Relationship> {
     return this.getItemRelationshipsByLabel(item1, label)
       .pipe(
@@ -287,24 +309,51 @@ export class RelationshipService extends DataService<Relationship> {
     );
   }
 
+  /**
+   * Method to set the name variant for specific list and item
+   * @param listID The list for which to save the name variant
+   * @param itemID The item ID for which to save the name variant
+   * @param nameVariant The name variant to save
+   */
   public setNameVariant(listID: string, itemID: string, nameVariant: string) {
     this.appStore.dispatch(new SetNameVariantAction(listID, itemID, nameVariant));
   }
 
+  /**
+   * Method to retrieve the name variant for a specific list and item
+   * @param listID The list for which to retrieve the name variant
+   * @param itemID The item ID for which to retrieve the name variant
+   */
   public getNameVariant(listID: string, itemID: string): Observable<string> {
     return this.appStore.pipe(
       select(relationshipStateSelector(listID, itemID))
     );
   }
 
+  /**
+   * Method to remove the name variant for specific list and item
+   * @param listID The list for which to remove the name variant
+   * @param itemID The item ID for which to remove the name variant
+   */
   public removeNameVariant(listID: string, itemID: string) {
     this.appStore.dispatch(new RemoveNameVariantAction(listID, itemID));
   }
 
+  /**
+   * Method to retrieve all name variants for a single list
+   * @param listID The id of the list
+   */
   public getNameVariantsByListID(listID: string) {
     return this.appStore.pipe(select(relationshipListStateSelector(listID)));
   }
 
+  /**
+   * Method to update the name variant on the server
+   * @param item1 The first item of the relationship
+   * @param item2 The second item of the relationship
+   * @param relationshipLabel The leftward or rightward type of the relationship
+   * @param nameVariant The name variant to set for the matching relationship
+   */
   public updateNameVariant(item1: Item, item2: Item, relationshipLabel: string, nameVariant: string): Observable<RemoteData<Relationship>> {
     return this.getRelationshipByItemsAndLabel(item1, item2, relationshipLabel)
       .pipe(
diff --git a/src/app/core/services/route.service.ts b/src/app/core/services/route.service.ts
index 8bca76f7d2..b29c491cb0 100644
--- a/src/app/core/services/route.service.ts
+++ b/src/app/core/services/route.service.ts
@@ -195,6 +195,9 @@ export class RouteService {
     this.store.dispatch(new SetParameterAction(key, value));
   }
 
+  /**
+   * Sets the current route parameters and query parameters in the store
+   */
   public setCurrentRouteInfo() {
     combineLatest(this.getRouteParams(), this.route.queryParams)
       .pipe(take(1))
diff --git a/src/app/core/utilities/equals.decorators.ts b/src/app/core/utilities/equals.decorators.ts
index 6dde05922e..6fdbd40c0f 100644
--- a/src/app/core/utilities/equals.decorators.ts
+++ b/src/app/core/utilities/equals.decorators.ts
@@ -5,6 +5,10 @@ import { EquatableObject } from './equatable';
 const excludedFromEquals = new Map();
 const fieldsForEqualsMap = new Map();
 
+/**
+ * Decorator function that adds the equatable settings from the given (parent) object
+ * @param parentCo The constructor of the parent object
+ */
 export function inheritEquatable(parentCo: GenericConstructor<EquatableObject<any>>) {
   return function decorator(childCo: GenericConstructor<EquatableObject<any>>) {
     const parentExcludedFields = getExcludedFromEqualsFor(parentCo) || [];
@@ -21,6 +25,11 @@ export function inheritEquatable(parentCo: GenericConstructor<EquatableObject<an
   }
 }
 
+/**
+ * Function to mark properties as excluded from the equals method
+ * @param object The object to exclude the property for
+ * @param propertyName The name of the property to exclude
+ */
 export function excludeFromEquals(object: any, propertyName: string): any {
   if (!object) {
     return;
@@ -37,6 +46,10 @@ export function getExcludedFromEqualsFor(constructor: Function): string[] {
   return excludedFromEquals.get(constructor) || [];
 }
 
+/**
+ * Function to save the fields that are to be used for a certain property in the equals method for the given object
+ * @param fields The fields to use to equate the property of the object
+ */
 export function fieldsForEquals(...fields: string[]): any {
   return function i(object: any, propertyName: string): any {
     if (!object) {
diff --git a/src/app/core/utilities/equatable.ts b/src/app/core/utilities/equatable.ts
index 1029a295ba..e022297229 100644
--- a/src/app/core/utilities/equatable.ts
+++ b/src/app/core/utilities/equatable.ts
@@ -1,6 +1,12 @@
 import { getExcludedFromEqualsFor, getFieldsForEquals } from './equals.decorators';
 import { hasNoValue, hasValue } from '../../shared/empty.util';
 
+/**
+ * Method to compare fields of two objects against each other
+ * @param object1 The first object for the comparison
+ * @param object2 The second object for the comparison
+ * @param fieldList The list of property/field names to compare
+ */
 function equalsByFields(object1, object2, fieldList): boolean {
   const unequalProperty = fieldList.find((key) => {
     if (object1[key] === object2[key]) {
@@ -27,6 +33,10 @@ function equalsByFields(object1, object2, fieldList): boolean {
   return hasNoValue(unequalProperty);
 }
 
+/**
+ * Abstract class to represent objects that can be compared to each other
+ * It provides a default way of comparing
+ */
 export abstract class EquatableObject<T> {
   equals(other: T): boolean {
     if (hasNoValue(other)) {
diff --git a/src/app/entity-groups/research-entities/submission/item-list-elements/org-unit/org-unit-search-result-list-submission-element.component.ts b/src/app/entity-groups/research-entities/submission/item-list-elements/org-unit/org-unit-search-result-list-submission-element.component.ts
index 4a2a41aae5..cbddb8d6f9 100644
--- a/src/app/entity-groups/research-entities/submission/item-list-elements/org-unit/org-unit-search-result-list-submission-element.component.ts
+++ b/src/app/entity-groups/research-entities/submission/item-list-elements/org-unit/org-unit-search-result-list-submission-element.component.ts
@@ -24,7 +24,7 @@ import { NameVariantModalComponent } from '../../name-variant-modal/name-variant
 })
 
 /**
- * The component for displaying a list element for an item search result of the type Person
+ * The component for displaying a list element for an item search result of the type OrgUnit
  */
 export class OrgUnitSearchResultListSubmissionElementComponent extends SearchResultListElementComponent<ItemSearchResult, Item> implements OnInit {
   allSuggestions: string[];
diff --git a/src/app/entity-groups/research-entities/submission/name-variant-modal/name-variant-modal.component.ts b/src/app/entity-groups/research-entities/submission/name-variant-modal/name-variant-modal.component.ts
index 34eab47b47..75817d786a 100644
--- a/src/app/entity-groups/research-entities/submission/name-variant-modal/name-variant-modal.component.ts
+++ b/src/app/entity-groups/research-entities/submission/name-variant-modal/name-variant-modal.component.ts
@@ -1,6 +1,10 @@
 import { Component, Input } from '@angular/core';
 import { NgbActiveModal } from '@ng-bootstrap/ng-bootstrap';
 
+/**
+ * This component a pop up for when the user selects a custom name variant during submission for a relationship$
+ * The user can either choose to decline or accept to save the name variant as a metadata in the entity
+ */
 @Component({
   selector: 'ds-name-variant-modal',
   templateUrl: './name-variant-modal.component.html',
diff --git a/src/app/shared/form/builder/ds-dynamic-form-ui/ds-dynamic-form-control-container.component.ts b/src/app/shared/form/builder/ds-dynamic-form-ui/ds-dynamic-form-control-container.component.ts
index b78385dc62..2079f23725 100644
--- a/src/app/shared/form/builder/ds-dynamic-form-ui/ds-dynamic-form-control-container.component.ts
+++ b/src/app/shared/form/builder/ds-dynamic-form-ui/ds-dynamic-form-control-container.component.ts
@@ -230,6 +230,9 @@ export class DsDynamicFormControlContainerComponent extends DynamicFormControlCo
     super(componentFactoryResolver, layoutService, validationService);
   }
 
+  /**
+   * Sets up the necessary variables for when this control can be used to add relationships to the submitted item
+   */
   ngOnInit(): void {
     this.hasRelationLookup = hasValue(this.model.relationship);
     if (this.hasRelationLookup) {
@@ -314,6 +317,9 @@ export class DsDynamicFormControlContainerComponent extends DynamicFormControlCo
     return this.model.value.pipe(map((list: Array<SearchResult<DSpaceObject>>) => isNotEmpty(list)));
   }
 
+  /**
+   * Open a modal where the user can select relationships to be added to item being submitted
+   */
   openLookup() {
     this.modalRef = this.modalService.open(DsDynamicLookupRelationModalComponent, {
       size: 'lg'
@@ -327,12 +333,13 @@ export class DsDynamicFormControlContainerComponent extends DynamicFormControlCo
     modalComp.item = this.item;
   }
 
+  /**
+   * Method to remove a selected relationship from the item
+   * @param object The second item in the relationship, the submitted item being the first
+   */
   removeSelection(object: SearchResult<Item>) {
     this.selectableListService.deselectSingle(this.listId, object);
     this.store.dispatch(new RemoveRelationshipAction(this.item, object.indexableObject, this.model.relationship.relationshipType))
-
-    // this.zone.runOutsideAngular(
-    //   () =>     );
   }
 
   /**
diff --git a/src/app/shared/form/builder/ds-dynamic-form-ui/models/disabled/dynamic-disabled.component.ts b/src/app/shared/form/builder/ds-dynamic-form-ui/models/disabled/dynamic-disabled.component.ts
index f2553efb44..490be050ef 100644
--- a/src/app/shared/form/builder/ds-dynamic-form-ui/models/disabled/dynamic-disabled.component.ts
+++ b/src/app/shared/form/builder/ds-dynamic-form-ui/models/disabled/dynamic-disabled.component.ts
@@ -4,6 +4,9 @@ import { DynamicFormControlComponent, DynamicFormLayoutService, DynamicFormValid
 import { FormGroup } from '@angular/forms';
 import { DynamicDisabledModel } from './dynamic-disabled.model';
 
+/**
+ * Component representing a simple disabled input field
+ */
 @Component({
   selector: 'ds-dynamic-disabled',
   templateUrl: './dynamic-disabled.component.html'
diff --git a/src/app/shared/form/builder/ds-dynamic-form-ui/models/disabled/dynamic-disabled.model.ts b/src/app/shared/form/builder/ds-dynamic-form-ui/models/disabled/dynamic-disabled.model.ts
index 05de204fa8..0fa2b3e5ed 100644
--- a/src/app/shared/form/builder/ds-dynamic-form-ui/models/disabled/dynamic-disabled.model.ts
+++ b/src/app/shared/form/builder/ds-dynamic-form-ui/models/disabled/dynamic-disabled.model.ts
@@ -7,6 +7,9 @@ export interface DsDynamicDisabledModelConfig extends DsDynamicInputModelConfig
   value?: any;
 }
 
+/**
+ * This model represents the data for a disabled input field
+ */
 export class DynamicDisabledModel extends DsDynamicInputModel {
 
   @serializable() readonly type: string = DYNAMIC_FORM_CONTROL_TYPE_DISABLED;
diff --git a/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/dynamic-lookup-relation-modal.component.ts b/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/dynamic-lookup-relation-modal.component.ts
index 3421e6c5c9..f3ed3337a9 100644
--- a/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/dynamic-lookup-relation-modal.component.ts
+++ b/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/dynamic-lookup-relation-modal.component.ts
@@ -33,6 +33,9 @@ import { MetadataValue } from '../../../../../core/shared/metadata.models';
   ]
 })
 
+/**
+ * Represents a modal where the submitter can select items to be added as a certain relationship type to the object being submitted
+ */
 export class DsDynamicLookupRelationModalComponent implements OnInit, OnDestroy {
   label: string;
   relationshipOptions: RelationshipOptions;
diff --git a/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/name-variant.actions.ts b/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/name-variant.actions.ts
index dbd0938945..f32836eef1 100644
--- a/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/name-variant.actions.ts
+++ b/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/name-variant.actions.ts
@@ -11,7 +11,9 @@ export const NameVariantActionTypes = {
 };
 
 /* tslint:disable:max-classes-per-file */
-
+/**
+ * Abstract class for actions that happen to name variants
+ */
 export abstract class NameVariantListAction implements Action {
   type;
   payload: {
@@ -24,6 +26,9 @@ export abstract class NameVariantListAction implements Action {
   }
 }
 
+/**
+ * Action for setting a new name on an item in a certain list
+ */
 export class SetNameVariantAction extends NameVariantListAction {
   type = NameVariantActionTypes.SET_NAME_VARIANT;
   payload: {
@@ -38,6 +43,9 @@ export class SetNameVariantAction extends NameVariantListAction {
   }
 }
 
+/**
+ * Action for removing a name on an item in a certain list
+ */
 export class RemoveNameVariantAction extends NameVariantListAction {
   type = NameVariantActionTypes.REMOVE_NAME_VARIANT;
   constructor(listID: string, itemID: string) {
diff --git a/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/relationship.effects.ts b/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/relationship.effects.ts
index 7b530f39c5..9402ef6d19 100644
--- a/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/relationship.effects.ts
+++ b/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/relationship.effects.ts
@@ -72,6 +72,11 @@ export class RelationshipEffects {
       )
     );
 
+  /**
+   * Updates the namevariant in a relationship
+   * If the relationship is currently being added or removed, it will add the name variant to an update map so it will be sent with the next add request instead
+   * Otherwise the update is done immediately
+   */
   @Effect({ dispatch: false }) updateNameVariantsActions$ = this.actions$
     .pipe(
       ofType(RelationshipActionTypes.UPDATE_RELATIONSHIP),
diff --git a/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/search-tab/dynamic-lookup-relation-search-tab.component.ts b/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/search-tab/dynamic-lookup-relation-search-tab.component.ts
index c7bb7104b5..9c00d64953 100644
--- a/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/search-tab/dynamic-lookup-relation-search-tab.component.ts
+++ b/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/search-tab/dynamic-lookup-relation-search-tab.component.ts
@@ -33,6 +33,9 @@ import { Context } from '../../../../../../core/shared/context.model';
   ]
 })
 
+/**
+ * Tab for inside the lookup model that represents the items that can be used as a relationship in this submission
+ */
 export class DsDynamicLookupRelationSearchTabComponent implements OnInit, OnDestroy {
   @Input() relationship: RelationshipOptions;
   @Input() listId: string;
@@ -63,6 +66,9 @@ export class DsDynamicLookupRelationSearchTabComponent implements OnInit, OnDest
   ) {
   }
 
+  /**
+   * Sets up the pagination and fixed query parameters
+   */
   ngOnInit(): void {
     this.resetRoute();
     this.routeService.setParameter('fixedFilterQuery', this.relationship.filter);
@@ -90,12 +96,19 @@ export class DsDynamicLookupRelationSearchTabComponent implements OnInit, OnDest
     );
   }
 
+  /**
+   * Method to reset the route when the window is opened to make sure no strange pagination issues appears
+   */
   resetRoute() {
     this.router.navigate([], {
       queryParams: Object.assign({}, { page: 1, pageSize: this.initialPagination.pageSize }),
     });
   }
 
+  /**
+   * Selects a page in the store
+   * @param page The page to select
+   */
   selectPage(page: Array<SearchResult<Item>>) {
     this.selection$
       .pipe(take(1))
@@ -106,6 +119,10 @@ export class DsDynamicLookupRelationSearchTabComponent implements OnInit, OnDest
     this.selectableListService.select(this.listId, page);
   }
 
+  /**
+   * Deselects a page in the store
+   * @param page the page to deselect
+   */
   deselectPage(page: Array<SearchResult<Item>>) {
     this.allSelected = false;
     this.selection$
@@ -117,6 +134,9 @@ export class DsDynamicLookupRelationSearchTabComponent implements OnInit, OnDest
     this.selectableListService.deselect(this.listId, page);
   }
 
+  /**
+   * Select all items that were found using the current search query
+   */
   selectAll() {
     this.allSelected = true;
     this.selectAllLoading = true;
@@ -142,6 +162,9 @@ export class DsDynamicLookupRelationSearchTabComponent implements OnInit, OnDest
     );
   }
 
+  /**
+   * Deselect all items
+   */
   deselectAll() {
     this.allSelected = false;
     this.selection$
diff --git a/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/selection-tab/dynamic-lookup-relation-selection-tab.component.ts b/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/selection-tab/dynamic-lookup-relation-selection-tab.component.ts
index b47207a957..8aa3dc3828 100644
--- a/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/selection-tab/dynamic-lookup-relation-selection-tab.component.ts
+++ b/src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/selection-tab/dynamic-lookup-relation-selection-tab.component.ts
@@ -25,6 +25,9 @@ import { Context } from '../../../../../../core/shared/context.model';
   ]
 })
 
+/**
+ * Tab for inside the lookup model that represents the currently selected relationships
+ */
 export class DsDynamicLookupRelationSelectionTabComponent {
   @Input() label: string;
   @Input() listId: string;
@@ -44,6 +47,9 @@ export class DsDynamicLookupRelationSelectionTabComponent {
               private searchConfigService: SearchConfigurationService) {
   }
 
+  /**
+   * Set up the selection and pagination on load
+   */
   ngOnInit() {
     this.resetRoute();
     this.selectionRD$ = this.searchConfigService.paginatedSearchOptions
@@ -70,6 +76,9 @@ export class DsDynamicLookupRelationSelectionTabComponent {
       )
   }
 
+  /**
+   * Method to reset the route when the window is opened to make sure no strange pagination issues appears
+   */
   resetRoute() {
     this.router.navigate([], {
       queryParams: Object.assign({}, { page: 1, pageSize: this.initialPagination.pageSize }),
diff --git a/src/app/shared/form/builder/models/relationship-options.model.ts b/src/app/shared/form/builder/models/relationship-options.model.ts
index 7d9542794b..f1d3d0ae7a 100644
--- a/src/app/shared/form/builder/models/relationship-options.model.ts
+++ b/src/app/shared/form/builder/models/relationship-options.model.ts
@@ -1,5 +1,8 @@
 const RELATION_METADATA_PREFIX = 'relation.'
 
+/**
+ * The submission options for fields that can represent relationships
+ */
 export class RelationshipOptions {
   relationshipType: string;
   filter: string;
diff --git a/src/app/shared/form/builder/parsers/disabled-field-parser.ts b/src/app/shared/form/builder/parsers/disabled-field-parser.ts
index 49d31c6118..db3e4ac8b9 100644
--- a/src/app/shared/form/builder/parsers/disabled-field-parser.ts
+++ b/src/app/shared/form/builder/parsers/disabled-field-parser.ts
@@ -2,6 +2,9 @@ import { FieldParser } from './field-parser';
 import { FormFieldMetadataValueObject } from '../models/form-field-metadata-value.model';
 import { DsDynamicDisabledModelConfig, DynamicDisabledModel } from '../ds-dynamic-form-ui/models/disabled/dynamic-disabled.model';
 
+/**
+ * Field parser for disabled fields
+ */
 export class DisabledFieldParser extends FieldParser {
 
   public modelFactory(fieldValue?: FormFieldMetadataValueObject | any, label?: boolean): any {
diff --git a/src/app/shared/form/builder/parsers/parser-factory.ts b/src/app/shared/form/builder/parsers/parser-factory.ts
index 1d3ace320f..d674007da4 100644
--- a/src/app/shared/form/builder/parsers/parser-factory.ts
+++ b/src/app/shared/form/builder/parsers/parser-factory.ts
@@ -27,6 +27,9 @@ const fieldParserDeps = [
   PARSER_OPTIONS,
 ];
 
+/**
+ * Method to retrieve a field parder with its providers based on the input type
+ */
 export class ParserFactory {
   public static getProvider(type: ParserType): StaticProvider {
     switch (type) {
diff --git a/src/app/shared/form/builder/parsers/row-parser.ts b/src/app/shared/form/builder/parsers/row-parser.ts
index 72737cfaa9..4938b9859e 100644
--- a/src/app/shared/form/builder/parsers/row-parser.ts
+++ b/src/app/shared/form/builder/parsers/row-parser.ts
@@ -27,6 +27,10 @@ export const ROW_ID_PREFIX = 'df-row-group-config-';
 @Injectable({
   providedIn: 'root'
 })
+
+/**
+ * Parser the submission data for a single row
+ */
 export class RowParser {
   constructor(private parentInjector: Injector) {
   }
diff --git a/src/app/shared/object-list/selectable-list/selectable-list.actions.ts b/src/app/shared/object-list/selectable-list/selectable-list.actions.ts
index 7b868c99ff..3dedf7e6a2 100644
--- a/src/app/shared/object-list/selectable-list/selectable-list.actions.ts
+++ b/src/app/shared/object-list/selectable-list/selectable-list.actions.ts
@@ -19,6 +19,9 @@ export const SelectableListActionTypes = {
   DESELECT_ALL: type('dspace/selectable-lists/DESELECT_ALL')
 };
 
+/**
+ * Abstract action class for actions on selectable lists
+ */
 /* tslint:disable:max-classes-per-file */
 export abstract class SelectableListAction implements Action {
   // tslint:disable-next-line:no-shadowed-variable
@@ -27,7 +30,7 @@ export abstract class SelectableListAction implements Action {
 }
 
 /**
- * Used to select an item in a the selectable list
+ * Action to select objects in a the selectable list
  */
 export class SelectableListSelectAction extends SelectableListAction {
   payload: ListableObject[];
@@ -37,7 +40,9 @@ export class SelectableListSelectAction extends SelectableListAction {
     this.payload = objects;
   }
 }
-
+/**
+ * Action to select a single object in a the selectable list
+ */
 export class SelectableListSelectSingleAction extends SelectableListAction {
   payload: {
     object: ListableObject,
@@ -49,6 +54,9 @@ export class SelectableListSelectSingleAction extends SelectableListAction {
   }
 }
 
+/**
+ * Action to deselect objects in a the selectable list
+ */
 export class SelectableListDeselectSingleAction extends SelectableListAction {
   payload: ListableObject;
 
@@ -58,6 +66,9 @@ export class SelectableListDeselectSingleAction extends SelectableListAction {
   }
 }
 
+/**
+ * Action to deselect a single object in a the selectable list
+ */
 export class SelectableListDeselectAction extends SelectableListAction {
   payload: ListableObject[];
 
@@ -67,6 +78,9 @@ export class SelectableListDeselectAction extends SelectableListAction {
   }
 }
 
+/**
+ * Action to set a new or overwrite an existing selection
+ */
 export class SelectableListSetSelectionAction extends SelectableListAction {
   payload: ListableObject[];
 
@@ -76,6 +90,9 @@ export class SelectableListSetSelectionAction extends SelectableListAction {
   }
 }
 
+/**
+ * Action to deselect all currently selected objects
+ */
 export class SelectableListDeselectAllAction extends SelectableListAction {
   constructor(id: string) {
     super(SelectableListActionTypes.DESELECT_ALL, id);
diff --git a/src/app/shared/object-list/selectable-list/selectable-list.reducer.ts b/src/app/shared/object-list/selectable-list/selectable-list.reducer.ts
index 927e20ff21..4c7251e563 100644
--- a/src/app/shared/object-list/selectable-list/selectable-list.reducer.ts
+++ b/src/app/shared/object-list/selectable-list/selectable-list.reducer.ts
@@ -63,12 +63,22 @@ export function selectableListReducer(state: SelectableListsState = {}, action:
   }
 }
 
+/**
+ * Adds multiple objects to the existing selection state
+ * @param state The current state
+ * @param action The action to perform
+ */
 function select(state: SelectableListState, action: SelectableListSelectAction) {
   const filteredNewObjects = action.payload.filter((object) => !isObjectInSelection(state.selection, object));
   const newSelection = [...state.selection, ...filteredNewObjects];
   return Object.assign({}, state, { selection: newSelection });
 }
 
+/**
+ * Adds a single object to the existing selection state
+ * @param state The current state
+ * @param action The action to perform
+ */
 function selectSingle(state: SelectableListState, action: SelectableListSelectSingleAction) {
   let newSelection = state.selection;
   if (!isObjectInSelection(state.selection, action.payload.object)) {
@@ -77,11 +87,21 @@ function selectSingle(state: SelectableListState, action: SelectableListSelectSi
   return Object.assign({}, state, { selection: newSelection });
 }
 
+/**
+ * Removes multiple objects in the existing selection state
+ * @param state The current state
+ * @param action The action to perform
+ */
 function deselect(state: SelectableListState, action: SelectableListDeselectAction) {
   const newSelection = state.selection.filter((selected) => hasNoValue(action.payload.find((object) => object.equals(selected))));
   return Object.assign({}, state, { selection: newSelection });
 }
 
+/** Removes a single object from the existing selection state
+ *
+ * @param state The current state
+ * @param action The action to perform
+ */
 function deselectSingle(state: SelectableListState, action: SelectableListDeselectSingleAction) {
   const newSelection = state.selection.filter((selected) => {
     return !selected.equals(action.payload);
@@ -89,14 +109,29 @@ function deselectSingle(state: SelectableListState, action: SelectableListDesele
   return Object.assign({}, state, { selection: newSelection });
 }
 
+/**
+ * Sets the selection state of the list
+ * @param state The current state
+ * @param action The action to perform
+ */
 function setList(state: SelectableListState, action: SelectableListSetSelectionAction) {
   return Object.assign({}, state, { selection: action.payload });
 }
 
+/**
+ * Clears the selection
+ * @param state The current state
+ * @param action The action to perform
+ */
 function clearSelection(id: string) {
   return { id: id, selection: [] };
 }
 
+/**
+ * Checks whether the object is in currently in the selection
+ * @param state The current state
+ * @param action The action to perform
+ */
 function isObjectInSelection(selection: ListableObject[], object: ListableObject) {
   return selection.findIndex((selected) => selected.equals(object)) >= 0
 }