public void setActionDefinitionId(String actionDefinitionId) {
        this.actionDefinitionId = actionDefinitionId;
    }
<p>
The ID of the action definition.
</p>

@param actionDefinitionId
       The ID of the action definition.
aws-java-sdk-iotsitewise/src/main/java/com/amazonaws/services/iotsitewise/model/DescribeActionResult.java