SpeechConstants class 
Defines constants that can be used in the processing of speech interactions.
Properties
| Empty | The xml tag structure to indicate an empty speak tag, to be used in the 'speak' property of an Activity. When set this indicates to the channel that speech should not be generated. | 
Property Details
		EmptySpeakTag
	  
	The xml tag structure to indicate an empty speak tag, to be used in the 'speak' property of an Activity. When set this indicates to the channel that speech should not be generated.
static EmptySpeakTag: stringProperty Value
string