diff --git a/engine/resources/exec.go b/engine/resources/exec.go
index 16135b99..0a6809b9 100644
--- a/engine/resources/exec.go
+++ b/engine/resources/exec.go
@@ -595,11 +595,11 @@ func (obj *ExecRes) UIDs() []engine.ResUID {
 // ExecSends is the struct of data which is sent after a successful Apply.
 type ExecSends struct {
 	// Output is the combined stdout and stderr of the command.
-	Output *string
+	Output *string `lang:"output"`
 	// Stdout is the stdout of the command.
-	Stdout *string
+	Stdout *string `lang:"stdout"`
 	// Stderr is the stderr of the command.
-	Stderr *string
+	Stderr *string `lang:"stderr"`
 }
 
 // Sends represents the default struct of values we can send using Send/Recv.
diff --git a/engine/resources/file.go b/engine/resources/file.go
index 66569ca0..0d87441e 100644
--- a/engine/resources/file.go
+++ b/engine/resources/file.go
@@ -57,26 +57,26 @@ type FileRes struct {
 	// Path, which defaults to the name if not specified, represents the
 	// destination path for the file or directory being managed. It must be
 	// an absolute path, and as a result must start with a slash.
-	Path     string `yaml:"path"`
-	Dirname  string `yaml:"dirname"`  // override the path dirname
-	Basename string `yaml:"basename"` // override the path basename
+	Path     string `lang:"path" yaml:"path"`
+	Dirname  string `lang:"dirname" yaml:"dirname"`   // override the path dirname
+	Basename string `lang:"basename" yaml:"basename"` // override the path basename
 
 	// Content specifies the file contents to use. If this is nil, they are
 	// left undefined. It cannot be combined with Source.
-	Content *string `yaml:"content"`
+	Content *string `lang:"content" yaml:"content"`
 	// Source specifies the source contents for the file resource. It cannot
 	// be combined with the Content parameter.
-	Source string `yaml:"source"`
+	Source string `lang:"source" yaml:"source"`
 	// State specifies the desired state of the file. It can be either
 	// `exists` or `absent`. If you do not specify this, it will be
 	// undefined, and determined based on the other parameters.
-	State string `yaml:"state"`
+	State string `lang:"state" yaml:"state"`
 
-	Owner   string `yaml:"owner"`
-	Group   string `yaml:"group"`
-	Mode    string `yaml:"mode"`
-	Recurse bool   `yaml:"recurse"`
-	Force   bool   `yaml:"force"`
+	Owner   string `lang:"owner" yaml:"owner"`
+	Group   string `lang:"group" yaml:"group"`
+	Mode    string `lang:"mode" yaml:"mode"`
+	Recurse bool   `lang:"recurse" yaml:"recurse"`
+	Force   bool   `lang:"force" yaml:"force"`
 
 	sha256sum  string
 	recWatcher *recwatch.RecWatcher
diff --git a/engine/resources/password.go b/engine/resources/password.go
index ef28b3bc..13176fe7 100644
--- a/engine/resources/password.go
+++ b/engine/resources/password.go
@@ -344,7 +344,7 @@ func (obj *PasswordRes) UIDs() []engine.ResUID {
 // PasswordSends is the struct of data which is sent after a successful Apply.
 type PasswordSends struct {
 	// Password is the generated password being sent.
-	Password *string
+	Password *string `lang:"password"`
 	// Hashing is the algorithm used for this password. Empty is plain text.
 	Hashing string // TODO: implement me
 }
diff --git a/engine/resources/test.go b/engine/resources/test.go
index 7594d089..57a6c1f4 100644
--- a/engine/resources/test.go
+++ b/engine/resources/test.go
@@ -401,8 +401,8 @@ func (obj *TestRes) GroupCmp(r engine.GroupableRes) error {
 // TestSends is the struct of data which is sent after a successful Apply.
 type TestSends struct {
 	// Hello is some value being sent.
-	Hello  *string
-	Answer int // some other value being sent
+	Hello  *string `lang:"hello"`
+	Answer int     `lang:"answer"` // some other value being sent
 }
 
 // Sends represents the default struct of values we can send using Send/Recv.