Possible enumeration values:

NameValueDescription
SigAdditionalInstructionId

12

Internally assigned numeric identifier for the SIG additional instructions text. If you do not specify a filter, the method returns all values.

SigAdditionalInstructionText

120

SIG additional instruction text. Accepts full or partial (with a wildcard ‘%’) values as filters. If you do not specify a filter, the method returns all values.