GetExpiryDates

GetExpiryDates : Returns array of Expiry Dates (e.g. 25JUN2020, 30JUL2020, etc.)

Exchange	String value like MCX	Name of supported exchange. How to get list of supported exchanges you can find here
InstrumentType	String value like FUTIDX	Optional parameter. Name of supported Instrument Type. How to get list of supported values you can find here
Product	String value like BANKNIFTY	Optional parameter. Name of supported Product. How to get list of supported values you can find here

ExpiryDates

{
MessageType: "GetExpiryDates",
Exchange: "NFO"
};
var message = JSON.stringify(request);
websocket.send(message);

{
"Request":{
"Exchange":"NFO",
"MessageType":"GetExpiryDates"
},
"Result":[
{"Value":"25JUN2020"},
{"Value":"28DEC2017"},
{"Value":"31DEC2020"}
],
"MessageType":"ExpiryDatesResult"
}