Sample code for 30+ languages & platforms
VB.NET

Amazon Cognito - List User Pools

See more Amazon Cognito Examples

Lists the user pools associated with an AWS account.

Chilkat VB.NET Downloads

VB.NET
Dim success As Boolean = False

' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim rest As New Chilkat.Rest

Dim authAws As New Chilkat.AuthAws
authAws.AccessKey = "AWS_ACCESS_KEY"
authAws.SecretKey = "AWS_SECRET_KEY"
' Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
authAws.Region = "us-west-2"
authAws.ServiceName = "cognito-idp"
' SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws)

' URL: https://cognito-idp.us-west-2.amazonaws.com/
Dim bTls As Boolean = True
Dim port As Integer = 443
Dim bAutoReconnect As Boolean = True
' Use the same region as specified above.
success = rest.Connect("cognito-idp.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)
If (success <> True) Then
    Debug.WriteLine("ConnectFailReason: " & rest.ConnectFailReason)
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


' Note: The above code does not need to be repeatedly called for each REST request.
' The rest object can be setup once, and then many requests can be sent.  Chilkat will automatically
' reconnect within a FullRequest* method as needed.  It is only the very first connection that is explicitly
' made via the Connect method.

Dim json As New Chilkat.JsonObject
json.UpdateInt("MaxResults",60)

rest.AddHeader("Content-Type","application/x-amz-json-1.0")
rest.AddHeader("X-Amz-Target","AWSCognitoIdentityProviderService.ListUserPools")
rest.AddHeader("Accept-Encoding","identity")

Dim sbRequestBody As New Chilkat.StringBuilder
json.EmitSb(sbRequestBody)
Dim sbResponseBody As New Chilkat.StringBuilder
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
If (success <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


Dim respStatusCode As Integer = rest.ResponseStatusCode
Debug.WriteLine("response status code = " & respStatusCode)
If (respStatusCode <> 200) Then
    Debug.WriteLine("Response Status Code = " & respStatusCode)
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(rest.ResponseHeader)
    Debug.WriteLine("Response Body:")
    Debug.WriteLine(sbResponseBody.GetAsString())
    Exit Sub
End If


Dim jsonResponse As New Chilkat.JsonObject
jsonResponse.LoadSb(sbResponseBody)

jsonResponse.EmitCompact = False
Debug.WriteLine(jsonResponse.Emit())

' Sample JSON response:
' (Sample code for parsing the JSON response is shown below)

' Use this online tool to generate parsing code from sample JSON: 
' Generate Parsing Code from JSON

' {
'   "UserPools": [
'     {
'       "CreationDate": 1.636388909817E9,
'       "Id": "us-west-2_yt6WzO3SA",
'       "LambdaConfig": {},
'       "LastModifiedDate": 1.636388910377E9,
'       "Name": "chilkat"
'     }
'   ]
' }

Dim CreationDate As String
Dim Id As String
Dim LastModifiedDate As String
Dim Name As String

Dim i As Integer = 0
Dim count_i As Integer = jsonResponse.SizeOfArray("UserPools")
While i < count_i
    jsonResponse.I = i
    CreationDate = jsonResponse.StringOf("UserPools[i].CreationDate")
    Id = jsonResponse.StringOf("UserPools[i].Id")
    LastModifiedDate = jsonResponse.StringOf("UserPools[i].LastModifiedDate")
    Name = jsonResponse.StringOf("UserPools[i].Name")
    i = i + 1
End While