Project: /docs/reference/js/_project.yaml Book: /docs/reference/_book.yaml page_type: reference {% comment %} DO NOT EDIT THIS FILE! This is generated by the JS SDK team, and any local changes will be overwritten. Changes should be made in the source code at https://github.com/firebase/firebase-js-sdk {% endcomment %} # FieldPath class A `FieldPath` refers to a field in a document. The path may consist of a single field name (referring to a top-level field in the document), or a list of field names (referring to a nested field in the document). Create a `FieldPath` by providing field names. If more than one field name is provided, the path will point to a nested field in a document. Signature: ```typescript export declare class FieldPath ``` ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(fieldNames)](./firestore_lite.fieldpath.md#fieldpathconstructor) | | Creates a FieldPath from the provided field names. If more than one field name is provided, the path will point to a nested field in a document. | ## Methods | Method | Modifiers | Description | | --- | --- | --- | | [isEqual(other)](./firestore_lite.fieldpath.md#fieldpathisequal) | | Returns true if this FieldPath is equal to the provided one. | ## FieldPath.(constructor) Creates a `FieldPath` from the provided field names. If more than one field name is provided, the path will point to a nested field in a document. Signature: ```typescript constructor(...fieldNames: string[]); ``` #### Parameters | Parameter | Type | Description | | --- | --- | --- | | fieldNames | string\[\] | A list of field names. | ## FieldPath.isEqual() Returns true if this `FieldPath` is equal to the provided one. Signature: ```typescript isEqual(other: FieldPath): boolean; ``` #### Parameters | Parameter | Type | Description | | --- | --- | --- | | other | [FieldPath](./firestore_lite.fieldpath.md#fieldpath_class) | The FieldPath to compare against. | Returns: boolean true if this `FieldPath` is equal to the provided one.