public void setConnectionArn(String connectionArn) {
        this.connectionArn = connectionArn;
    }
<p>
The CodeStar ARN, which is the connection between Service Catalog and the external repository.
</p>

@param connectionArn
       The CodeStar ARN, which is the connection between Service Catalog and the external repository.
aws-java-sdk-servicecatalog/src/main/java/com/amazonaws/services/servicecatalog/model/CodeStarParameters.java