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DOCUMENTATION:
name: mandatory
version_added: "historical"
short_description: make a variable's existance mandatory
description:
- Depending on context undefined variables can be ignored or skipped, this ensures they force an error.
positional: _input
options:
_input:
description: Mandatory expression.
type: raw
required: true
msg:
description: The customized message that is printed when the given variable is not defined.
type: str
required: false
EXAMPLES: |
# results in a Filter Error
{{ notdefined | mandatory }}
# print a custom error message
{{ notdefined | mandatory(msg='This variable is required.') }}
RETURN:
_value:
description: The input if defined, otherwise an error.
type: raw
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