Source: templates/password-reset.php

<?php
/**
 * Template for the password reset
 *
 * This template can be overridden by copying it to your-theme/ultimate-member/templates/password-reset.php
 *
 * Call: function ultimatemember_password()
 *
 * @version 2.10.5
 *
 * @var string $mode
 * @var int    $form_id
 * @var array  $args
 *
 * phpcs:disable WordPress.Security.NonceVerification
 */
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}
?>
<div class="um <?php echo esc_attr( $this->get_class( $mode ) ); ?> um-<?php echo esc_attr( $form_id ); ?>">
	<div class="um-form">
		<form method="post" action="">
			<?php if ( isset( $_GET['updated'] ) && 'checkemail' === sanitize_key( $_GET['updated'] ) ) { ?>
				<div class="um-field um-field-block um-field-type_block">
					<div class="um-field-block">
						<div style="text-align:center;">
							<?php esc_html_e( 'If an account matching the provided details exists, we will send a password reset link. Please check your inbox.', 'ultimate-member' ); ?>
						</div>
					</div>
				</div>
			<?php } elseif ( isset( $_GET['updated'] ) && 'password_changed' === sanitize_key( $_GET['updated'] ) ) { ?>
				<div class="um-field um-field-block um-field-type_block">
					<div class="um-field-block">
						<div style="text-align:center;">
							<?php esc_html_e( 'You have successfully changed password.', 'ultimate-member' ); ?>
						</div>
					</div>
				</div>
			<?php } else { ?>

				<input type="hidden" name="_um_password_reset" id="_um_password_reset" value="1" />

				<?php
				/**
				 * UM hook
				 *
				 * @type action
				 * @title um_reset_password_page_hidden_fields
				 * @description Password reset hidden fields
				 * @input_vars
				 * [{"var":"$args","type":"array","desc":"Password reset shortcode arguments"}]
				 * @change_log
				 * ["Since: 2.0"]
				 * @usage add_action( 'um_reset_password_page_hidden_fields', 'function_name', 10, 1 );
				 * @example
				 * <?php
				 * add_action( 'um_reset_password_page_hidden_fields', 'my_reset_password_page_hidden_fields', 10, 1 );
				 * function my_reset_password_page_hidden_fields( $args ) {
				 *     // your code here
				 * }
				 * ?>
				 */
				do_action( 'um_reset_password_page_hidden_fields', $args );

				if ( ! empty( $_GET['updated'] ) ) {
					?>
					<div class="um-field um-field-block um-field-type_block">
						<div class="um-field-block">
							<div style="text-align:center;">
								<?php
								if ( 'expiredkey' === sanitize_key( $_GET['updated'] ) ) {
									esc_html_e( 'Your password reset link has expired. Please request a new link below.', 'ultimate-member' );
								} elseif ( 'invalidkey' === sanitize_key( $_GET['updated'] ) ) {
									esc_html_e( 'Your password reset link appears to be invalid. Please request a new link below.', 'ultimate-member' );
								}
								?>
							</div>
						</div>
					</div>
					<?php
				} else {
					?>
					<div class="um-field um-field-block um-field-type_block">
						<div class="um-field-block">
							<div style="text-align:center;">
								<?php esc_html_e( 'To reset your password, please enter your email address or username below.', 'ultimate-member' ); ?>
							</div>
						</div>
					</div>
					<?php
				}

				$fields = UM()->builtin()->get_specific_fields( 'username_b' );

				$output = null;
				foreach ( $fields as $key => $data ) {
					$output .= UM()->fields()->edit_field( $key, $data );
				}
				echo $output;

				/**
				 * UM hook
				 *
				 * @type action
				 * @title um_after_password_reset_fields
				 * @description Hook that runs after user reset their password
				 * @input_vars
				 * [{"var":"$args","type":"array","desc":"Form data"}]
				 * @change_log
				 * ["Since: 2.0"]
				 * @usage add_action( 'um_after_password_reset_fields', 'function_name', 10, 1 );
				 * @example
				 * <?php
				 * add_action( 'um_after_password_reset_fields', 'my_after_password_reset_fields', 10, 1 );
				 * function my_after_password_reset_fields( $args ) {
				 *     // your code here
				 * }
				 * ?>
				 */
				do_action( 'um_after_password_reset_fields', $args );

				/**
				 * Filters the classes applied to the primary button on the password reset form.
				 *
				 * @hook um_password_reset_form_primary_btn_classes
				 * @since 2.10.5
				 *
				 * @param {array} $classes An array of CSS classes applied to the primary button.
				 * @param {array} $args    An array of arguments or configurations used in the password reset form.
				 *
				 * @return {array} Button CSS classes.
				 *
				 * @example <caption>Extend the classes applied to the primary button on the password reset form.</caption>
				 * function my_custom_classes( $classes, $args ) {
				 *     // Add a new class to the button
				 *     $classes[] = 'new-button-class';
				 *
				 *     return $classes;
				 * }
				 * add_filter( 'um_password_reset_form_primary_btn_classes', 'my_custom_classes', 10, 2 );
				 */
				$primary_btn_classes = apply_filters( 'um_password_reset_form_primary_btn_classes', array( 'um-button' ), $args );
				?>
				<div class="um-col-alt um-col-alt-b">
					<div class="um-center">
						<input type="submit" value="<?php esc_attr_e( 'Reset password', 'ultimate-member' ); ?>" class="<?php echo esc_attr( implode( ' ', $primary_btn_classes ) ); ?>" id="um-submit-btn" />
					</div>
					<div class="um-clear"></div>
				</div>
				<?php
				/**
				 * UM hook
				 *
				 * @type action
				 * @title um_reset_password_form
				 * @description Password reset display form
				 * @input_vars
				 * [{"var":"$args","type":"array","desc":"Password reset shortcode arguments"}]
				 * @change_log
				 * ["Since: 2.0"]
				 * @usage add_action( 'um_reset_password_form', 'function_name', 10, 1 );
				 * @example
				 * <?php
				 * add_action( 'um_reset_password_form', 'my_reset_password_form', 10, 1 );
				 * function my_reset_password_form( $args ) {
				 *     // your code here
				 * }
				 * ?>
				 */
				do_action( 'um_reset_password_form', $args );
				/** This action is documented in includes/core/um-actions-profile.php */
				do_action( 'um_after_form_fields', $args );
			}
			?>
		</form>
	</div>
</div>