src/main/java/com/passkit/grpc/Members/MemberEventsOuterClass.java
public Builder clearExternalUserId() {
        
        externalUserId_ = getDefaultInstance().getExternalUserId();
        onChanged();
        return this;
      }
/**
       * <pre>
       * External user ID of the logged in user that captured the event (for example when using an external scanning app).
       * </pre>
       *
       * <code>string externalUserId = 9;</code>
       * @return This builder for chaining.
       */

External user ID of the logged in user that captured the event (for example when using an external scanning app).

string externalUserId = 9;
@return This builder for chaining.
External user ID of the logged in user that captured the event ( for example when using an external scanning app ) . string externalUserId = 9 ; @return This builder for chaining .
public Builder clearExternalUserId() {
        externalUserId_ = getDefaultInstance().getExternalUserId();
        onChanged();
        return this;
      }
public Builder clearExternalUserId ( ) { externalUserId_ = getDefaultInstance ( ) . getExternalUserId ( ) ; onChanged ( ) ; return this ; }
<pre>
 External user ID of the logged in user that captured the event (for example when using an external scanning app).
<pre > External user ID of the logged in user that captured the event ( for example when using an external scanning app ) .