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* Stop recursing if discovery == {}
* Generate docs with 'make docs'.
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+<h1><a href="texttospeech_v1beta1.html">Cloud Text-to-Speech API</a> . <a href="texttospeech_v1beta1.voices.html">voices</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+ <code><a href="#list">list(languageCode=None, x__xgafv=None)</a></code></p>
+<p class="firstline">Returns a list of Voice supported for synthesis.</p>
+<h3>Method Details</h3>
+<div class="method">
+ <code class="details" id="list">list(languageCode=None, x__xgafv=None)</code>
+ <pre>Returns a list of Voice supported for synthesis.
+
+Args:
+ languageCode: string, Optional (but recommended)
+[BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag. If
+specified, the ListVoices call will only return voices that can be used to
+synthesize this language_code. E.g. when specifying "en-NZ", you will get
+supported "en-*" voices; when specifying "no", you will get supported
+"no-*" (Norwegian) and "nb-*" (Norwegian Bokmal) voices; specifying "zh"
+will also get supported "cmn-*" voices; specifying "zh-hk" will also get
+supported "yue-*" voices.
+ x__xgafv: string, V1 error format.
+ Allowed values
+ 1 - v1 error format
+ 2 - v2 error format
+
+Returns:
+ An object of the form:
+
+ { # The message returned to the client by the `ListVoices` method.
+ "voices": [ # The list of voices.
+ { # Description of a voice supported by the TTS service.
+ "ssmlGender": "A String", # The gender of this voice.
+ "languageCodes": [ # The languages that this voice supports, expressed as
+ # [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tags (e.g.
+ # "en-US", "es-419", "cmn-tw").
+ "A String",
+ ],
+ "naturalSampleRateHertz": 42, # The natural sample rate (in hertz) for this voice.
+ "name": "A String", # The name of this voice. Each distinct voice has a unique name.
+ },
+ ],
+ }</pre>
+</div>
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