public Builder setClientId(java.lang.String value) {
        if (value == null) {
          throw new NullPointerException();
        }
        clientId_ = value;
        bitField0_ |= 0x00000010;
        onChanged();
        return this;
      }
<pre>
The Application ID for the app registered in Microsoft Azure Portal.
The application must also be configured with MS Graph permissions
"Files.ReadAll", "Sites.ReadAll" and BrowserSiteLists.Read.All.
</pre>

<code>string client_id = 1;</code>

@param value The clientId to set.
@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/SharePointSources.java