How to change the _type value in elasticsearch using Nest?

Question

{

"_index": "IndexName",

"_type": "_doc",

"_id": "9",

"_version": 1,

"_score": null,

"_source":

{

"logCategory": "INFO",

"id": 9

}

} 

 

 

how to change the meta data field [_type] value when we create a index/insert the index data in elastic search using Nest 7.3 in c#