How to register events

Nobody has claimed this yet.

I want to know how to register these events
```
["timeout",
"close",
"serverOpening",
"serverDescriptionChanged",
"serverHeartbeatStarted",
"serverHeartbeatSucceeded",
"serverHeartbeatFailed",
"serverClosed",
"topologyOpening",
"topologyClosed",
"topologyDescriptionChanged",
"joined",
"left",
"ping",
"ha",
"all",
"fullsetup",]
```
i am registering the events like this
```
client.on("connected", (event) => {
customLogger.info(
`received mongodb connected event ${JSON.stringify(event, null, 2)}`,
);
});

client.on("serverOpening", (event) => {
customLogger.info(
`received "serverOpening": ${JSON.stringify(event, null, 2)}`,
);
});

client.on("serverClosed", (event) => {
customLogger.info(
`received "serverClosed": ${JSON.stringify(event, null, 2)}`,
);
});

client.on("serverDescriptionChanged", (event) => {
customLogger.info(
`received "serverDescriptionChanged": ${JSON.stringify(
event,
null,
2,
)}`,
);
});

client.on("topologyOpening", (event) => {
customLogger.info(
`received "topologyOpening": ${JSON.stringify(event, null, 2)}`,
);
});
client.on("topologyClosed", (event) => {
customLogger.info(
`received "topologyClosed": ${JSON.stringify(event, null, 2)}`,
);
});

client.on("topologyDescriptionChanged", (event) => {
customLogger.info(
`received "topologyDescriptionChanged": ${JSON.stringify(
event,
null,
2,
)}`,
);
});

client.on("serverHeartbeatStarted", (event) => {
customLogger.info(
`received "serverHeartbeatStarted": ${JSON.stringify(event, null, 2)}`,
);
});

client.on("serverHeartbeatSucceeded", (event) => {
customLogger.info(
`received "serverHeartbeatSucceeded": ${JSON.stringify(
event,
null,
2,
)}`,
);
});
client.on("serverHeartbeatFailed", (event) => {
customLogger.info(
`received "serverHeartbeatFailed": ${JSON.stringify(event, null, 2)}`,
);
});
```
but when the connection is established only "Connected" is being triggered and not others
i assume "serverOpening" and "topologyOpening" should also get called as per there description

can someone help me solve/understand this ?

Start by tracing the client.on registrations for connected, serverOpening, and topologyOpening and compare them with the connector's documented MongoDB event behavior. Determine whether the missing events are expected or need forwarding, then reproduce the connection sequence and document or test the observed result.

Written by the indexing model from the issue text.