how to get path for Get diff stats summary for pull request API

[Trung Nguyen Nam _trungnn307_]

Please give an example of the path for Get diff stats summary for pull request API 

https://developer.atlassian.com/server/bitbucket/rest/v905/api-group-pull-requests/#api-group-pull-requests. 
I got 404 error when leave it empty or use the path return from changes API 

https://developer.atlassian.com/server/bitbucket/rest/v905/api-group-pull-requests/#api-api-latest-projects-projectkey-repos-repositoryslug-pull-requests-pullrequestid-changes-get

{

    "fromHash": "7afb139c6be51c02b14c7296509523a07c0ed74b",

    "toHash": "b7f090508f4aefae924acbb52b3082795b9bd924",

    "properties": {

        "changeScope": "ALL"

    },

    "values": [

        {

            "contentId": "c0878a1707a5065aab436f639ab6340e3cf41269",

            "fromContentId": "8dc2e98299e1b5116458f8e017d25873757f21c4",

            "path": {

                "components": [

                   path

                ],

                "parent": "xxxxxxxxxxxxxxx",

                "name": "xxxxxxxxxxxxxxxx.kt",

                "extension": "kt",

                "toString": "thisPath"

However i got valid response when use same path for API 

https://developer.atlassian.com/server/bitbucket/rest/v905/api-group-pull-requests/#api-api-latest-projects-projectkey-repos-repositoryslug-pull-requests-pullrequestid-diff-path-get