# Mapper parsing exception - unsupported parameter
**URL:** https://discuss.elastic.co/t/mapper-parsing-exception-unsupported-parameter/85914
**Category:** Elasticsearch
**Created:** [May 16, 2017, 11:11am UTC](https://discuss.elastic.co/t/mapper-parsing-exception-unsupported-parameter/85914 "2017-05-16T11:11:27Z")
**Posts on this page:** 5
**Page:** 1
### Author:  [@sahar\_q](https://discuss.elastic.co/u/sahar_q)
#### Post date: [May 16, 2017, 11:11am UTC](https://discuss.elastic.co/t/mapper-parsing-exception-unsupported-parameter/85914/1 "2017-05-16T11:11:27Z")
Hi guys, i've attempted to add this template and for some reason it says there are unsupported parameters, i failed to detect the error on my end and would like you to take a look :
{
"template": "arp-table",
"settings": {
"number\_of\_shards": 1
},
"mappings": {
"properties": {
"Host" : {"type": "ip"},
"Interface" : {"type": "ip"},
"Internet Address" : {"type": "ip"},
"Physical Address" : {"type": "keyword"},
"Type" : {"type": "keyword"}
}
}
}
---
### Author:  [@colings86](https://discuss.elastic.co/u/colings86)
#### Post date: [May 16, 2017, 11:18am UTC](https://discuss.elastic.co/t/mapper-parsing-exception-unsupported-parameter/85914/2 "2017-05-16T11:18:29Z")
you need to put your document type between the `mappings` and `properties` objects. So a correct template would look like this:
```auto
PUT _template/foo
{
"template": "arp-table",
"settings": {
"number_of_shards": 1
},
"mappings": {
"my_type": {
"properties": {
"Host": {
"type": "ip"
},
"Interface": {
"type": "ip"
},
"Internet Address": {
"type": "ip"
},
"Physical Address": {
"type": "keyword"
},
"Type": {
"type": "keyword"
}
}
}
}
}
```
---
### Author:  [@sahar\_q](https://discuss.elastic.co/u/sahar_q)
#### Post date: [May 16, 2017, 11:26am UTC](https://discuss.elastic.co/t/mapper-parsing-exception-unsupported-parameter/85914/3 "2017-05-16T11:26:32Z")
do i have to assign a type?
---
### Author:  [@colings86](https://discuss.elastic.co/u/colings86)
#### Post date: [May 16, 2017, 1:12pm UTC](https://discuss.elastic.co/t/mapper-parsing-exception-unsupported-parameter/85914/4 "2017-05-16T13:12:01Z")
yes, you also need to assign a type to documents when you index them. See [https://www.elastic.co/guide/en/elasticsearch/reference/5.4/docs-index\_.html](https://www.elastic.co/guide/en/elasticsearch/reference/5.4/docs-index_.html)
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [June 13, 2017, 1:12pm UTC](https://discuss.elastic.co/t/mapper-parsing-exception-unsupported-parameter/85914/5 "2017-06-13T13:12:18Z")
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