A developer wrote this Output in StackA: Export: Name: MyExport. StackB imports it with !ImportValue MyExport but deployment fails. What is the error?

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AWS - CloudFormation

A developer wrote this Output in StackA: Export: Name: MyExport. StackB imports it with !ImportValue MyExport but deployment fails. What is the error?

AThe Output key should be 'Export' not 'Export: Name'.

BImportValue cannot import values with 'MyExport' name.

CYAML indentation is incorrect; 'Name' must be nested under 'Export'.

DOutputs cannot be exported with the name 'MyExport'.

Step-by-Step Solution

Solution:

Step 1: Check YAML syntax for Export block
Export must be a map with Name nested properly under Export with correct indentation.
Step 2: Identify indentation error
Incorrect indentation causes CloudFormation to misinterpret the Export block, causing deployment failure.
Final Answer:
YAML indentation is incorrect; 'Name' must be nested under 'Export'. -> Option C
Quick Check:
Proper YAML indentation is critical for Export block = C [OK]

Quick Trick: Indent Export: Name: correctly under Outputs [OK]

Common Mistakes:

Writing Export: Name on same line
Misplacing Name outside Export block
Assuming ImportValue rejects certain names

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A developer wrote this Output in StackA: Export: Name: MyExport. StackB imports it with !ImportValue MyExport but deployment fails. What is the error?

Step 1: Check YAML syntax for Export block

Step 2: Identify indentation error

Final Answer:

Quick Check:

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