Changes to Trigger Workflow (single or bulk)

added the new optional request property oneOf[subschema #1: Single workflow trigger]/cancellation_key

added the new optional request property oneOf[subschema #2: Bulk workflow trigger]/items/cancellation_key

removed the request property oneOf[subschema #1: Single workflow trigger]/actor/$context

removed the request property oneOf[subschema #2: Bulk workflow trigger]/items/actor/$context

removed the optional property message from the response with the 400 status

removed the optional property message from the response with the 404 status

added the optional property error to the response with the 400 status

added the optional property error to the response with the 404 status

added the new optional request property oneOf[subschema #1: Single workflow trigger]/actor/$context

added the new optional request property oneOf[subschema #1: Single workflow trigger]/recipients/items/oneOf[subschema #1: Identify user inline]/$context

added the new optional request property oneOf[subschema #2: Bulk workflow trigger]/items/actor/$context

added the new optional request property oneOf[subschema #2: Bulk workflow trigger]/items/recipients/items/oneOf[subschema #1: Identify user inline]/$context