Hi all,
I am using the ArcGIS Javascript 4.x and try to apply the filter in the documentation but I am not getting it to work. I want the suggested results to be only "California".

Code is here.
<SPAN class="comment token">//Search widget here</SPAN>
<SPAN class="keyword token">var</SPAN> searchWidget <SPAN class="operator token">=</SPAN> <SPAN class="keyword token">new</SPAN> <SPAN class="token class-name">Search</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">{</SPAN>
view<SPAN class="punctuation token">:</SPAN> view<SPAN class="punctuation token">,</SPAN>
popupEnabled<SPAN class="punctuation token">:</SPAN> <SPAN class="keyword token">false</SPAN><SPAN class="punctuation token">,</SPAN>
popupOpen<SPAN class="punctuation token">:</SPAN> <SPAN class="keyword token">false</SPAN><SPAN class="punctuation token">,</SPAN>
resultGraphicEnabled<SPAN class="punctuation token">:</SPAN> <SPAN class="keyword token">false</SPAN><SPAN class="punctuation token">,</SPAN>
includeDefaultSources<SPAN class="punctuation token">:</SPAN> <SPAN class="keyword token">false</SPAN><SPAN class="punctuation token">,</SPAN>
sources<SPAN class="punctuation token">:</SPAN> <SPAN class="comment token">// Default sources[] when sources is not specified</SPAN>
<SPAN class="punctuation token">[</SPAN>
<SPAN class="punctuation token">{</SPAN>
locator<SPAN class="punctuation token">:</SPAN> <SPAN class="keyword token">new</SPAN> <SPAN class="token class-name">Locator</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">{</SPAN> url<SPAN class="punctuation token">:</SPAN> "<SPAN class="comment token">//geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer" }),</SPAN>
singleLineFieldName<SPAN class="punctuation token">:</SPAN> <SPAN class="string token">"SingleLine"</SPAN><SPAN class="punctuation token">,</SPAN>
outFields<SPAN class="punctuation token">:</SPAN> <SPAN class="punctuation token">[</SPAN><SPAN class="string token">"Addr_type"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">,</SPAN>
name<SPAN class="punctuation token">:</SPAN> <SPAN class="string token">"ArcGIS World Geocoding Service"</SPAN><SPAN class="punctuation token">,</SPAN>
placeholder<SPAN class="punctuation token">:</SPAN> <SPAN class="string token">"Enter an address"</SPAN><SPAN class="punctuation token">,</SPAN>
resultSymbol<SPAN class="punctuation token">:</SPAN> <SPAN class="punctuation token">{</SPAN>
type<SPAN class="punctuation token">:</SPAN> <SPAN class="string token">"picture-marker"</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="comment token">// autocasts as new PictureMarkerSymbol()</SPAN>
url<SPAN class="punctuation token">:</SPAN> <SPAN class="keyword token">this</SPAN><SPAN class="punctuation token">.</SPAN>basePath <SPAN class="operator token">+</SPAN> <SPAN class="string token">"/images/search/search-symbol-32.png"</SPAN><SPAN class="punctuation token">,</SPAN>
size<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">24</SPAN><SPAN class="punctuation token">,</SPAN>
width<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">24</SPAN><SPAN class="punctuation token">,</SPAN>
height<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">24</SPAN><SPAN class="punctuation token">,</SPAN>
xoffset<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">0</SPAN><SPAN class="punctuation token">,</SPAN>
yoffset<SPAN class="punctuation token">:</SPAN> <SPAN class="number token">0</SPAN>
<SPAN class="punctuation token">}</SPAN><SPAN class="punctuation token">,</SPAN>
filter<SPAN class="punctuation token">:</SPAN> <SPAN class="string token">"State ="</SPAN> <SPAN class="operator token">+</SPAN> <SPAN class="string token">"'"</SPAN> <SPAN class="operator token">+</SPAN> <SPAN class="string token">"California"</SPAN> <SPAN class="operator token">+</SPAN> <SPAN class="string token">"'"</SPAN><SPAN class="punctuation token">,</SPAN>
<SPAN class="punctuation token">}</SPAN>
<SPAN class="punctuation token">]</SPAN>
<SPAN class="punctuation token">}</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"search"</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">;</SPAN><SPAN class="line-numbers-rows"><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN></SPAN>Any idea?