AWS::Cognito::UserPoolUICustomizationAttachment

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A container for the UI customization information for the hosted UI in a user pool.

Syntax

To declare this entity in your AWS CloudFormation template, use the following syntax:

JSON

{
  "Type" : "AWS::Cognito::UserPoolUICustomizationAttachment",
  "Properties" : {
      "ClientId" : String,
      "CSS" : String,
      "UserPoolId" : String
    }
}

YAML

Type: AWS::Cognito::UserPoolUICustomizationAttachment
Properties:
  ClientId: String
  CSS: String
  UserPoolId: String

Properties

ClientId

The app client ID for your UI customization. When this value isn't present, the customization applies to all user pool app clients that don't have client-level settings..

Required: Yes

Type: String

Pattern: [\w+]+

Minimum: 1

Maximum: 128

Update requires: Replacement

CSS

A plaintext CSS file that contains the custom fields that you want to apply to your user pool or app client. To download a template, go to the Amazon Cognito console. Navigate to your user pool App clients tab, select Login pages, edit Hosted UI (classic) style, and select the link to CSS template.css.

Required: No

Type: String

Minimum: 0

Maximum: 131072

Update requires: No interruption

UserPoolId

The ID of the user pool where you want to apply branding to the classic hosted UI.

Required: Yes

Type: String

Pattern: [\w-]+_[0-9a-zA-Z]+

Minimum: 1

Maximum: 55

Update requires: Replacement

Return values

Ref

When you pass the logical ID of this resource to the intrinsic Ref function, Ref returns the physicalResourceId, which is “UserPoolUICustomizationAttachment-UserPoolId-ClientId". For example:

{ "Ref": "UserPoolUICustomizationAttachment-us-east-1_FAKEPOOLID-2asc123fakeclientidajjulj6bh" }

For the Amazon Cognito user pool domain UserPoolUICustomizationAttachment-us-east-1_FAKEPOOLID-2asc123fakeclientidajjulj6bh, Ref returns the name of the UI customization attachment.

For more information about using the Ref function, see Ref.

Examples

Creating a new UI customization attachment for a user pool

The following example sets UI customization settings in the referenced user pool and client.

JSON

{
   "UserPoolUICustomization":{
      "Type":"AWS::Cognito::UserPoolUICustomizationAttachment",
      "Properties":{
         "UserPoolId":{
            "Ref":"UserPool"
         },
         "ClientId":{
            "Ref":"Client"
         },
         "CSS":".banner-customizable {\nbackground:
        linear-gradient(#9940B8, #C27BDB)\n}"
      }
   }
}

YAML

UserPoolUICustomization: 
  Type: AWS::Cognito::UserPoolUICustomizationAttachment 
  Properties: 
    UserPoolId: !Ref UserPool
    ClientId: !Ref Client 
    CSS: ".banner-customizable { 
      background: linear-gradient(#9940B8, #C27BDB) 
    }"