createNotifier

Create instrument notifier for X_TRADER

Syntax

Description

example

createNotifier(X,S) creates the xtrdr instrument notifier defined by the structure S with fields corresponding to valid X_TRADER® API options. For details, see the Trading Technologies® X_TRADER API Programming Tutorial or X_TRADER API Class Reference.

example

createNotifier(X,Name,Value) creates the instrument notifier using X_TRADER API options specified by one or more Name,Value pair arguments with names and values corresponding to valid X_TRADER API options. For details, see the Trading Technologies X_TRADER API Programming Tutorial or X_TRADER API Class Reference.

Examples

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Create an X_TRADER Instrument Notifier Using an Input Structure

Start X_TRADER.

X = xtrdr;

Define an input structure, S, with fields corresponding to valid X_TRADER API options.

S = [];
S.Instrument = [];
S.UpdateFilter = '';
S.EnablePriceUpdates = -1;
S.EnableDepthUpdates = 0;
S.DebugLogLevel = 3;
S.EnableOrderSetUpdates = -1;
S.PriceList = [];
S.DeliverAllPriceUpdates = 0;
S
S = 

                Instrument: []
              UpdateFilter: ''
        EnablePriceUpdates: -1
        EnableDepthUpdates: 0
             DebugLogLevel: 3
     EnableOrderSetUpdates: -1
                 PriceList: []
    DeliverAllPriceUpdates: 0

Create an xtrdr instrument notifier.

createNotifier(X,S)

Close the connection.

close(X)

Create an X_TRADER Instrument Notifier Using Name-Value Pairs

Start X_TRADER.

X = xtrdr;

Create an xtrdr instrument using name-value pairs corresponding to valid X_TRADER API options.

createNotifier(X,'Instrument',[],'UpdateFilter','',...
              'EnablePriceUpdates',-1,'EnableDepthUpdates',0,...
              'DebugLogLevel',3,'EnableOrderSetUpdates',-1,...
              'PriceList',[],'DeliverAllPriceUpdates',0)

Close the connection.

close(X)

Input Arguments

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X — X_TRADER connectionconnection object

X_TRADER connection, specified as a connection object created using xtrdr.

Sxtrdr input structure with fieldsstructure

xtrdr input structure, specified with fields corresponding to valid X_TRADER API options. For details, see the Trading Technologies X_TRADER API Programming Tutorial or X_TRADER API Class Reference.

Example: S = [];
S.Exchange = 'Eurex';
S.Product = 'OGBM';
S.ProdType = 'Option';
S.Contract = 'Jan12 P12300';
S.Alias = 'TestInstrument3';

Data Types: struct

Name-Value Pair Arguments

Specify optional comma-separated pairs of Name,Value arguments. Name is the argument name and Value is the corresponding value. Name must appear inside single quotes (' '). You can specify several name and value pair arguments in any order as Name1,Value1,...,NameN,ValueN.

Example: createNotifier(X,'Instrument',[],'UpdateFilter','','EnablePriceUpdates',-1,'EnableDepthUpdates',0,'DebugLogLevel',3,'EnableOrderSetUpdates',-1,'PriceList',[],'DeliverAllPriceUpdates',0)

'Property1' — Valid X_TRADER API optionsstring

Valid X_TRADER API options, specified using the details described in Trading Technologies X_TRADER API Programming Tutorial or X_TRADER API Class Reference.

Example: createNotifier(X,'Instrument',[],'UpdateFilter','','EnablePriceUpdates',-1,'EnableDepthUpdates',0,'DebugLogLevel',3,'EnableOrderSetUpdates',-1,'PriceList',[],'DeliverAllPriceUpdates',0)

Data Types: char

'Property2' — Valid X_TRADER API optionsstring

Valid X_TRADER API options, specified using the details described in Trading Technologies X_TRADER API Programming Tutorial or X_TRADER API Class Reference.

Example: createNotifier(X,'Instrument',[],'UpdateFilter','','EnablePriceUpdates',-1,'EnableDepthUpdates',0,'DebugLogLevel',3,'EnableOrderSetUpdates',-1,'PriceList',[],'DeliverAllPriceUpdates',0)

Data Types: char

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