public void setSource(String source) {
        this.source = source;
    }
<p>
Identifies the service that sourced the event. All events sourced from within Amazon Web Services begin with "
<code>aws.</code>" Customer-generated events can have any value here, as long as it doesn't begin with "
<code>aws.</code>" We recommend the use of Java package-name style reverse domain-name strings.
</p>

@param source
       Identifies the service that sourced the event. All events sourced from within Amazon Web Services begin
       with "<code>aws.</code>
       " Customer-generated events can have any value here, as long as it doesn't begin with "<code>aws.</code>"
       We recommend the use of Java package-name style reverse domain-name strings.
aws-java-sdk-ssmincidents/src/main/java/com/amazonaws/services/ssmincidents/model/TriggerDetails.java