Set Logstash Date Filter from current date to last 3 days - elastic-stack

Question

I have Complete database in one index and daily bases i need to create or fetch 3 days records and store in CSV Format. Target is daily it take 3 days back records and store in CSV File. How To set start from Current date to Last 3 Days using only logstash.config?
My Logstash Config File
input {
elasticsearch {
hosts => "**Endpoint URL**"
index => "**Index NAME**"
user => "***"
password => "***"
query => '{ "query": { "query_string": { "query": "*" } } }'
}
}
filter {
csv {
separator => ","
autodetect_column_names => true
autogenerate_column_names => true
}
}
output {
stdout {
codec => json_lines
}
csv {
fields => []
path => "C:/ELK_csv/**cvs_File_Name**.csv"
}
}
Need To Add date filter range
{"query":{"bool":{"must":[{"range":{"createddate":{"gte":"","lt":""}}}],"must_not":[],"should":[]}},"from":0,"size":5000,"sort":[],"aggs":{}}
gte start from current date and lt to last 3 days.

Answer 1

Working Logstash.config File Code
input {
elasticsearch {
hosts => "**ELK ENDPOINT URL**"
index => "**INDEX NAME**"
user => "***"
password => "***"
query => '{ "query":{"bool":{"must":[{"range":{"createddate":{"gt":"now-3d/d","lte":"now/d"}}}],"must_not":[],"should":[]}},"from":0,"size":10000,"sort":[],"aggs":{} }'
}
}
filter {
csv {
separator => ","
autodetect_column_names => true
autogenerate_column_names => true
}
}
output {
stdout {
codec => json_lines
}
csv {
fields => [**FIELDS NAMES**]
path => "C:/ELK6.4.2/logstash-6.4.2/bin/tmp/**CSV_3days**.csv"
}
}