how to call web api synchronously in power portals

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Posted on by sumitLTIM

I am executing the two javascript function

1) function ===> calling web api and reading the values

------if first function return the value then no need to call the second function

2) second function===> dynamically creating the table

but every time it's calling the second function because first function is working as asynchronous and giving me output after second function execution .

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Design & build

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Fubar 8,346 Super User 2025 Season 2 on at

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Chain them together or nest them - depending on what you are doing use .then() or call the second one from inside the results of the first one.

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sumitLTIM 13 on at

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1) first function
var exists = false;
var variable = some value;
webapi.safeAjax({
type: "GET",
url: "api url",
contentType: "application/json",
success :function (res){
res.value.forEach(function(record){

if(record.column==variable ){
exists=true;
console.log("Match");
}else{
exists=false;
console.log("Non Match");
}
})
}

if exists return true then I need to call another function which is calling web api again for different table
2) function truewebapi ()

if exists return false then I need to call another function which is calling web api again for different table
3) function falsewebapi ()

again on the basis of truewebapi() and falsewebapi() function I need to call another function which again calling some web api,But everytime it's giving me false value from first step because of asynchronous call.

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Fubar 8,346 Super User 2025 Season 2 on at

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As I said, nest them

function functionxyz(){ // do stuff, do another safe ajax etc etc } function functionabc(){ var exists = false; var variable = some value; webapi.safeAjax({ type: "GET", url: "api url", contentType: "application/json", success :function (res){ res.value.forEach(function(record){ if(record.column==variable ){ exists=true; console.log("Match"); }else{ exists=false; console.log("Non Match"); } }) if(exists == true){ functionxyz(); } } } functionabc();

Could also chain webapi.safeAjax(............).then(//next call here etc)

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