Hi So I tried again to understand how spotter works and I looked at the help and I could not understand how I can find class references. I saw that but it does not show me how I can use it and I do not really want to understand how this is implemented. spotterReferenceFor: aStep <spotterOrder: 30> aStep listProcessor title: 'References'; allCandidates: [ (SystemNavigation default allReferencesTo: self binding) collect: #compiledMethod ]; itemName: [ :method | method gtDisplayString ]; filter: GTFilterSubstring To me this help is totally obscure. Spotter allows the developer to define custom search processors in different classes. These custom processors take effect when Spotter reaches an instance of the extended class. You can find below the list of extensions from this image. You can also browse this list by inspecting: GTSpotter spotterExtendingMethods Behavior - Class instance variables (spotterClassInstanceVariablesFor:) - Composing traits (spotterCompositionFor:) - Instance variables (spotterInstanceVariablesFor:) - QA Critics (spotterQACriticsFor:) - All subclasses (spotterSubclassesFor:) - All superclasses (spotterSuperclassesFor:) - Users (spotterTraitUsersFor:) - Special Slots (spotterUsedSlotsFor:) - Uses Traits (spotterUsedTraitsFor:) Class - Examples (gtSpotterGTExamplesFor:) - Class methods (spotterClassMethodsFor:) - Instance methods (spotterMethodsFor:) - References (spotterReferenceFor:) - Super class methods (spotterSuperClassMethodsFor:) - Super instance methods (spotterSuperMethodsFor:) ClassDescription - Package (spotterPackageFor:) Collection - spotterItemsFor: (spotterItemsFor:) CompiledMethod - Bytecode (spotterForBytecodesFor:) - Implementors (spotterForImplementorsFor:) - Senders (spotterForSendersFor:) - Class (spotterMethodClassFor:) - QA Critics (spotterQACriticsFor:) Dictionary - Keys (spotterForKeysFor:) FileReference - Directories (spotterForDirectoriesFor:) - Files (spotterForFilesFor:) - Directories (spotterForZipDirectoriesFor:) - Files (spotterForZipFilesFor:) GTExample - Example Dependencies (gtSpotterDependenciesFor:) - Example Dependents (gtSpotterDependentsFor:) - Example Provider (gtSpotterProviderFor:) - Example Source (gtSpotterSourceFor:) - Example Subjects (gtSpotterSubjectsFor:) GTExampleFinder - Examples (gtSpotterExamplesFor:) GTExampleFinder class - Examples (gtSpotterExamplesFor:) GTExampleOrganizer - Examples (gtSpotterGTExamplesFor:) GTExampleProxy - Example Dependencies (gtSpotterDependenciesFor:) - Example Dependents (gtSpotterDependentsFor:) GTInspector class - Extensions (spotterExtensionsFor:) GTSelectorImplementors - Implementors (spotterImplementorsFor:) - Senders (spotterSendersFor:) GTSpotter - Examples (gtSpotterExamplesFor:) - Catalog Projects (spotterCatalogProjectsFor:) - Clipboard History (spotterClipboardFor:) - Methods (spotterConcreteMethodFor:) - Dirty Monticello packages (spotterDirtyMonticelloPackagesFor:) - Playground cached pages (spotterForCachedPlaygroundPagesFor:) - Classes (spotterForClassesFor:) - Directories (spotterForDirectoriesFor:) - Calculator (spotterForExpressionsFor:) - Files (spotterForFilesFor:) - Global variables (spotterForGlobalVarsFor:) - Help topics (spotterForHelpTopicFor:) - Messages (spotterForMessagesFor:) - Metacello Configurations (spotterForMetacelloConfigurationsFor:) - Packages (spotterForPackagesFor:) - Pragmas (spotterForPragmasFor:) - References (spotterForReferencesFor:) - Monticello Repositories (spotterForRepositoriesFor:) - Senders (spotterForSendersFor:) - spotterForStashedPlaygroundPagesFor: (spotterForStashedPlaygroundPagesFor:) - History (spotterHistoryFor:) - Implementors (spotterImplementorsFor:) - ws.stfx.eu (spotterStfxFor:) - Menu (spotterWorldMenuFor:) GTSpotter class - Extensions (spotterExtensionsFor:) GTSpotterExceptionMock1 - mockProcessorFor: (mockProcessorFor:) GTSpotterExceptionMock2 - mockProcessorFor: (mockProcessorFor:) GTSpotterExceptionMock3 - mockProcessorFor: (mockProcessorFor:) GTSpotterExceptionMock4 - mockProcessorFor: (mockProcessorFor:) GTSpotterExceptionMock5 - mockProcessorFor: (mockProcessorFor:) GlobalVariable - Class (spotterClassFor:) - References (spotterForReferencesFor:) HelpTopic - Help contents (spotterForHelpTopicFor:) KMDispatcher - Keys (spotterForKeysFor:) MCPackage - Packages (spotterForPackageFor:) - Monticello Working Copy (spotterMonticelloWorkingCopyFor:) MCVersionInfo - Ancestors (spotterAncestorsFor:) MCWorkingCopy - All other repositories (spotterAllRepositoriesFor:) - Ancestors (spotterAncestorsFor:) - Monticello Package (spotterMonticelloPackageFor:) - Packages (spotterPackageFor:) - Package repositories (spotterPackageRepositoriesFor:) MenuItemMorph - spotterItemsFor: (spotterItemsFor:) MenuMorph - Items (spotterItemsFor:) MetacelloAbstractPackageSpec - Includes (spotterForIncludesFor:) - Requires (spotterForRequiresFor:) MetacelloProject - Versions (spotterForVersionsFor:) MetacelloVersion - Groups (spotterForGroupsFor:) - Packages (spotterForPackagesFor:) Morph - spotterForKeysFor: (spotterForKeysFor:) - Submorphs (spotterForSubmorphsFor:) PragmaType - Pragmas (spotterPragmasFor:) - Senders (spotterSendersFor:) RPackage - Classes (spotterClassesFor:) - Extension Methods (spotterExtensionMethodsFor:) - Monticello Package (spotterMonticelloPackageFor:) - Monticello Working Copy (spotterMonticelloWorkingCopyFor:) - Tags (spotterTagsFor:) RPackageTag - Classes (spotterClassesFor:) SettingNode - Children (spotterForSettingsFor:) SettingTree - Settings (spotterForSettingsFor:) Slot - Accesses (spotterAccessesFor:) Trait - Examples (gtSpotterGTExamplesFor:) - Class methods (spotterClassMethodsFor:) - Instance methods (spotterMethodsFor:) - References (spotterReferenceFor:) - Super class methods (spotterSuperClassMethodsFor:) - Super instance methods (spotterSuperMethodsFor:) TraitBehavior - Class instance variables (spotterClassInstanceVariablesFor:) - Composing traits (spotterCompositionFor:) - Instance variables (spotterInstanceVariablesFor:) - QA Critics (spotterQACriticsFor:) - All subclasses (spotterSubclassesFor:) - All superclasses (spotterSuperclassesFor:) - Users (spotterTraitUsersFor:) - Special Slots (spotterUsedSlotsFor:) - Uses Traits (spotterUsedTraitsFor:) TraitDescription - Package (spotterPackageFor:)