Top condition in filtered Array

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Posted on by Davyjones

Hi Experts,

Hope you are doing good.

I am pulling a json file through and API call and then use parse Json in flow to read through it. This works fine, then i also use filter array to get only one part in the entire JSON file but some of the values are repeated but i want only one of those. Is there a Distinct or Top 1 in the filter array that i can use?

Example:

[ 
{ "first": "Deon", "last": "Herb","Color" :"Blue","Time":"2020-07-21 08:06:22 -04:00" }, 
{ "first": "Deon", "last": "Herb","Color" :"Blue","Time":"2020-07-21 07:08:22 -04:00"}, 
{ "first": "K", "last": "Herb","Color" :"Yellow","Time":"2020-07-21 04:06:22 -04:00" },
{ "first": "K", "last": "Herb","Color" :"Yellow","Time":"2020-07-21 08:17:22 -04:00" } ]

Lets say the above is the output from the Parse JSON, now i want it filtered for color -Blue. When i use the filter JSON in the flow and select the field to be color and then give the value as Blue it does filter and shows me the first two lines but i want only one line. How can i do it? is there a way i can give a condition in the filter array to get what i desire or should i use some other connector to achieve it?

Thanks in advance for your response.

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yashag2255 24,769 Super User 2024 Season 1 on at

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Hi @Davy

Currently the filter array action does not accept an input parameter to return a specific number of items (or the top count). If you want to get the first item (considering the example with the filter for blue that you have mentioned), you can add a compose action and then use the first() function to get the first row from the array. You can also use indexing (e.g., nameofArray[0]) this returns the index row from the array.

Hope this Helps!

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Davyjones 20 on at

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@yashag2255

Thank you very much for your response. I tried that and using compose on the filtered array with the first function returns one set. The only problem there was now the compose output was a whole element that i was not able write another compose to get just the name value out of it. I had to use ParseJson on the output of the compose and then write another compose to get the actual name, is that a right approach?

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