# AWS::EMRServerless::Application InitialCapacityConfigKeyValuePair ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{ "Key" : String, "Value" : InitialCapacityConfig }### YAML
Key: String Value: InitialCapacityConfig## Properties #### Key Worker type for an analytics framework. _Required_: Yes _Type_: String _Minimum_:
1
_Maximum_: 50
_Pattern_: ^[a-zA-Z]+[-_]*[a-zA-Z]+$
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
#### Value
_Required_: Yes
_Type_: InitialCapacityConfig
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)