Fn::Equals compares two values and returns true if they are equal, or false otherwise.
Declaration
-
JSON
{ "Fn::Equals": [ "value_1", "value_2" ] } -
YAML
-
Syntax for the full function name:
Fn::Equals: - value_1 - value_2 -
Syntax for the short form:
!Equals [value_1, value_2]
-
Parameters
value: the value to compare.
Return value
true or false.
Examples
Fn::Equals can define a condition only in the Conditions or Rules section.
ROSTemplateFormatVersion: '2015-09-01'
Parameters:
EnvType:
Default: pre
Type: String
Conditions:
TestEqualsCond:
!Equals
- prod
- !Ref EnvType{
"Parameters": {
"EnvType": {
"Default": "pre",
"Type": "String"
}
},
"Conditions": {
"TestEqualsCond": {
"Fn::Equals": [
"prod",
{"Ref": "EnvType"}
]
}
}
}