Multiple choice What is the role of 'actor Attribute' in SOAP message? It specifies the address of the header element. It specifies whether the header element is mandatory or optional for the recipient. It is used to define the data types used in the document. It specifies the size of the header element. It is the default attribute used in the SOAP message. Reveal answer Fill a bubble to check yourself A Correct answer Explanation The 'actor Attribute' is used to address the header element to a specific endpoint.