Here is a list of all struct and union fields with links to the structures/unions they belong to:

- $ -

$actions : ServiceDefinition
$allowSharing : ToolProvider
$approved : ResourceLinkShare
$autoApprove : ResourceLinkShareKey
$base_string : OAuthRequest
$baseUrl : ToolProvider
$capabilities : Message
$constants : Message
$consumer : ToolProvider
$consumerGuid : ToolConsumer
$consumerKey : ResourceLinkShare
$consumerName : ToolConsumer
$consumerVersion : ToolConsumer
$context : ToolProvider
$created : Context , ResourceLink , ToolConsumer , User
$cssPath : ToolConsumer
$data_store : OAuthServer
$dataConnector : ToolProvider
$dataSource : Outcome
$date : Outcome
$dateFormat : DataConnector
$db : DataConnector
$dbTableNamePrefix : DataConnector
$debugMode : ToolProvider
$defaultEmail : ToolConsumer , ToolProvider
$description : Item
$details : ToolProvider
$documentTargets : ToolProvider
$email : User
$enabled : ToolConsumer
$enableFrom : ToolConsumer
$enableUntil : ToolConsumer
$endpoint : ServiceDefinition , Service
$error : HTTPMessage
$errorOutput : ToolProvider
$expires : ConsumerNonce , ResourceLinkShareKey
$extRequest : ResourceLink
$extRequestHeaders : ResourceLink
$extResponse : ResourceLink
$extResponseHeaders : ResourceLink
$firstname : User
$formats : ServiceDefinition
$fullname : User
$groups : ResourceLink , User
$groupSets : ResourceLink
$http_method : OAuthRequest
$http_url : OAuthRequest
$icon : ResourceHandler
$id : Item , ServiceDefinition , ToolProxy
$idScope : ToolConsumer , ToolProvider
$image : User
$item : ResourceHandler
$key : OAuthConsumer , OAuthToken
$language : Outcome
$lastAccess : ToolConsumer
$lastname : User
$length : ResourceLinkShareKey
$life : ResourceLinkShareKey
$ltiContextId : Context
$ltiResourceLinkId : ResourceLink
$ltiResultSourcedId : User
$ltiUserId : User
$ltiVersion : ToolConsumer
$mediaTypes : ToolProvider
$message : ToolProvider
$name : Item , ToolConsumer
$ok : HTTPMessage , ToolProvider
$optionalMessages : ResourceHandler
$optionalServices : ToolProvider
$output : ToolProvider
$parameters : OAuthRequest
$path : Message
$POST_INPUT : OAuthRequest
$primaryResourceLinkId : ResourceLink
$product : ToolProvider
$product_instance : ToolProfile
$protected : ToolConsumer
$reason : ToolProvider
$redirectUrl : ToolProvider
$request : HTTPMessage
$requestHeaders : HTTPMessage
$requiredMessages : ResourceHandler
$requiredServices : ToolProvider
$resourceHandlers : ToolProvider
$resourceLink : ToolProvider
$resourceLinkId : ResourceLinkShare , ResourceLinkShareKey
$response : HTTPMessage
$responseHeaders : HTTPMessage
$returnUrl : ToolProvider
$roles : User
$secret : OAuthConsumer , OAuthToken , ToolConsumer
$settings : Context , ToolConsumer
$shareApproved : ResourceLink
$signature_methods : OAuthServer
$status : HTTPMessage , Outcome
$timeFormat : DataConnector
$timestamp : Item
$timestamp_threshold : OAuthServer
$title : Context , ResourceLink , ResourceLinkShare
$type : Message , Outcome
$unsigned : Service
$updated : Context , ResourceLink , ToolConsumer , User
$url : Item
$user : ToolProvider
$variables : Message
$vendor : ToolProvider
$version : OAuthRequest , OAuthServer , Item