Updates an object with new values.

Parameters

The method has the following parameters:

Argument	Description	Required
dbApiKey	Database API key.	Yes.
token	String with user token or database master key.	No.
collectionName	String with name of collection.	Yes.
objectID	Unique identifier of object that should be updated.	Yes.
objectJSON	JSON object which holds columns and new data. Only field which are sent in this object will be updated. Columns not present will not be updated.	Yes.

Response

The function returns the time stamp when the object was modified:

Argument	Description
_updatedAt	Time stamp when the object was modified.

{
   "_updatedAt":{"$date":<update>}
}

Examples

This example shows how to update three columns in the Student collection. Columns for which data is not sent are not updated (values are unchanged).

var dbApiKey = "c33010af-f263-4443-9897-c2ffaf522956";
var result = Collection.updateObject(dbApiKey, "Student", "57a52796e4b03647ddae32a5", {
  "isTransferStudent": true,
  "major": {"name":"Biology"},
  "courses": [300, 305]
});

{
	"_updatedAt": {
		"$date": "2016-08-06T00:15:41.350Z"
	}
}

You can also provide a session token if security is enabled for this collection:

var dbApiKey = "c33010af-f263-4443-9897-c2ffaf522956";
var token = "...";
var result = Collection.updateObject(dbApiKey, "Student", "57a52796e4b03647ddae32a5", {
  "isTransferStudent": true,
  "major": {"name":"Biology"},
  "courses": [300, 305]
}, token);