blpapi.test.appendMessage

blpapi.test.appendMessage(event, elementDef, properties=None)

Create a new message and append it to the specified event. Return a MessageFormatter to format the last appended message.

Parameters:

• event (Event) – The event to which the new message will be appended. The event must be a test blpapi.Event created by createEvent().

• elementDef (SchemaElementDefinition) – Used to verify and encode the contents of the message.

• properties (Optional[MessageProperties]) – Used to set the metadata properties for the message.

Return type:

MessageFormatter

Returns:

The MessageFormatter used to format the last appended message.

Raises:

Exception – If the method fails to append the message.