# Rollbar::Notifications::Rule MethodFilter ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{
    "Type" : String,
    "Operation" : String,
    "Value" : String
}
### YAML
Type: String
Operation: String
Value: String
## Properties #### Type Matches any method in the stack trace _Required_: Yes _Type_: String _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### Operation _Required_: Yes _Type_: String _Allowed Values_: within | nwithin | regex | nregex _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_: String _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)