public function add( $args, $assoc_args ) {
		$args = $this->replace_login_with_user_id( $args );
		parent::add( $args, $assoc_args );
	}
public function add( $args, $assoc_args ) {
		$args = $this->replace_login_with_user_id( $args );
		parent::add( $args, $assoc_args );
	}
public function add ( $ args , $ assoc_args ) { $ args = $ this -> replace_login_with_user_id ( $ args ) ; parent :: add ( $ args , $ assoc_args ) ; }
Adds a meta field.

## OPTIONS

<user>
: The user login, user email, or user ID of the user to add metadata for.

<key>
: The metadata key.

<value>
: The new metadata value.

[--format=<format>]
: The serialization format for the value.
---
default: plaintext
options:
- plaintext
- json
---

## EXAMPLES

# Add user meta
$ wp user meta add 123 bio "Mary is an WordPress developer."
Success: Added custom field.
Adds a meta field .