SubscriptionRequestType (Tag = 263, Type: char)

Subscription Request Type

Valid values:

'0'	Snapshot
'1'	Snapshot + Updates (Subscribe)
'2'	Disable previous Snapshot + Update Request (Unsubscribe)

Used in:

• Trade Capture Report Request (AD)
• RFQ Request (AH)
• Market Data Request (V)
• Quote Status Request (a)
• Security Definition Request (c)
• Security Status Request (e)
• Trading Session Status Request (g)
• Security Types (w)
• Security List Request (x)
• Derivative Security List Request (z)