Stop Words

I want to add stop words dynamically also i want to ask ,how can i add stop words list from my custom file .I tried and created a file but itis not working .

File location = /config/stopwords/my_fil.txt

PUT /my_index3
{
"settings": {
"analysis": {
"analyzer": {
"my_analyzer": {
"type": "standard",
"stopwords": "english",
"stopwords_path": "/stopwords/stop_words.txt"
}
}
}
}
}

Not working how? What errors are you seeing?

Actually , there was some issue from my side ....I didn't put all stop words files on all nodes.Now its working ..
Thnx