<li>If <var>errorFields</var> was passed:

<li>Optionally, show a warning in the developer console if any of

the following are true:

<ol>

<li>

<var>request</var>.<a>[[\options]]</a>["<a data-link-for=

"PaymentOptions">requestPayerName</a>"] is false, and

<var>errorFields</var>["<a data-link-for=

"PaymentValidationErrors">payer</a>"]["<a data-link-for=

"PayerErrors">name</a>"] is present.

</li>

<li>

<var>request</var>.<a>[[\options]]</a>["<a data-link-for=

"PaymentOptions">requestPayerEmail</a>"] is false, and

<var>errorFields</var>["<a data-link-for=

"PaymentValidationErrors">payer</a>"]["<a data-link-for=

"PayerErrors">email</a>"] is present.

</li>

<li>

<var>request</var>.<a>[[\options]]</a>["<a data-link-for=

"PaymentOptions">requestPayerPhone</a>"] is false, and

<var>errorFields</var>["<a data-link-for=

"PaymentValidationErrors">payer</a>"]["<a data-link-for=

"PayerErrors">phone</a>"] is present.

</li>

<li>

<var>request</var>.<a>[[\options]]</a>["<a data-link-for=

"PaymentOptions">requestShipping</a>"] is false, and

<var>errorFields</var>["<a data-link-for=

"PaymentValidationErrors">shippingAddress</a>"] is present.

</li>

</ol>

<li data-link-for="PaymentValidationErrors" data-tests=

"PaymentValidationErrors/retry-shows-error-member-manual.https.html">

If <var>errorFields</var>["<a>paymentMethod</a>] member was

passed, and if required by the specification that defines

<var>response</var>'s <a>payment method</a>, then <a data-cite=

"WEBIDL#dfn-convert-ecmascript-to-idl-value">convert</a>

<var>errorFields</var>'s <a>paymentMethod</a> member to an IDL

value of the type specified there. Otherwise, <a data-cite=

"WEBIDL#dfn-convert-ecmascript-to-idl-value">convert</a> to

<a data-cite="WEBIDL#idl-object">object</a>.

<li>If conversion results in a <a data-cite=

"WEBIDL#dfn-exception">exception</a> <var>error</var>:

<ol>

<li>Reject <var>retryPromise</var> with <var>error</var>.

</li>

<li>Set <a>user agent</a>'s <a>payment request is showing</a>

boolean to false.

</li>

<li>Return.

</li>

</ol>