diff --git a/src/index.d.ts b/src/index.d.ts
index 3d5121f..7ae7e4b 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -12,7 +12,7 @@ export type EditorKey = 'visual' | 'content' | 'data';
 export type SortOrder = 'ascending' | 'descending' | 'asc' | 'desc';
 
 // TODO: use SnippetConfig from @cloudcannon/scrap-booker when ParserConfig issue resolved.
-interface SnippetConfig extends ReducedCascade, Previewable, PickerPreviewable {
+export interface SnippetConfig extends ReducedCascade, Previewable, PickerPreviewable {
 	/**
 	 * Name of the snippet.
 	 */
@@ -184,12 +184,12 @@ interface ImageResizeable {
 		 * A number suffixed with "x" (relative size) or "w" (fixed width) for setting the dimensions of
 		 * the image (e.g. 2x, 3x, 100w, 360w).
 		 */
-		size: 'string';
+		size: string;
 		/**
 		 * A reference to another input that is given the path to this additional image file.
 		 */
-		target?: 'string';
-	};
+		target?: string;
+	}[];
 }
 
 export interface Editables {
@@ -466,10 +466,7 @@ export interface BaseInputOptions<EmptyType = EmptyTypeText> {
 }
 
 export interface BaseInput<InputOptions = BaseInputOptions> {
-	/**
-	 * Controls the type of input, changing how it is displayed and interacted with.
-	 */
-	type?: InputType;
+	type?: InputType | undefined | null;
 	/**
 	 * Changes the subtext below the _Label_. Has no default. Supports a limited set of Markdown:
 	 * links, bold, italic, subscript, superscript, and inline code elements are allowed.
@@ -670,6 +667,11 @@ export interface FileInputOptions extends BaseInputOptions, WithReducedPaths {
 	 * Restricts which file types are available to select or upload to this input.
 	 */
 	accepts_mime_types?: MimeType[] | '*';
+	/**
+	 * If you have one or more DAMs connected to your site, you can use this key to list which asset
+	 * sources can be uploaded to and selected from.
+	 */
+	allowed_sources?: string[];
 }
 
 export interface FileInput extends BaseInput<FileInputOptions> {
@@ -737,6 +739,14 @@ export interface MultichoiceInput extends BaseInput<MultichoiceInputOptions> {
 	type: 'multichoice';
 }
 
+export interface ObjectInputGroup {
+	heading?: string;
+	comment?: string;
+	collapsed?: boolean;
+	inputs?: string[];
+	documentation?: Documentation;
+}
+
 export interface ObjectInputOptions extends BaseInputOptions<EmptyTypeObject> {
 	/**
 	 * Changes the appearance and behavior of the input.
@@ -776,6 +786,21 @@ export interface ObjectInputOptions extends BaseInputOptions<EmptyTypeObject> {
 	 * itself.
 	 */
 	structures?: string | Structure;
+
+	/**
+	 * Allows you to group the inputs inside this object together without changing the data structure.
+	 */
+	groups?: ObjectInputGroup[];
+	
+	/**
+	 * Controls which order input groups and ungrouped inputs appear in.
+	 */
+	place_groups_below?: boolean;
+	
+	/**
+	 * Controls whether or not labels on mutable object entries are formatted.
+	 */
+	allow_label_formatting?: boolean;
 }
 
 export interface ObjectInput extends BaseInput<ObjectInputOptions> {
@@ -800,8 +825,13 @@ export interface ArrayInput extends BaseInput<ArrayInputOptions> {
 	type: 'array';
 }
 
+export interface UnknownInput extends BaseInput<BaseInputOptions> {
+	type?: undefined | null;
+}
+
 export type Input =
 	| BaseInput
+	| UnknownInput
 	| TextInput
 	| CodeInput
 	| ColorInput
@@ -852,6 +882,10 @@ export interface ReducedPaths {
 	 * @default ''
 	 */
 	dam_static?: string;
+	/**
+	 * When set to true, CloudCannon will reference files relative to the path of the file they were uploaded to.
+	 */
+	uploads_use_relative_path?: boolean;
 }
 
 export interface Paths extends ReducedPaths {