Determines whether the string is empty or not.

IsEmpty(text: str) -> Literal["t", ""]

Where:

  • text: test string.

Example 1

This example requires the creation of a State Field with the name "test_flag" and any scope.

{{#system~}}
{{#block(hidden=True)}}

{{set(name="test_flag_", value=GetState(name="test_flag"))}}

{{/block}}

{{#if IsEmpty(text=test_flag_)}}

{{SendMessage(message="test_flag is empty")}}

{{SetState(name='test_flag', value="YES")}}

{{else}}

{{SendMessage(message="test_flag is not empty")}}

{{SetState(name='test_flag', value=" ")}}

{{/if}}

{{~/system}}