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Null pipe

Use the null pipe to handle null reference errors during macro processing.

Supported pipe actions are:

  • Ignore
  • remove
  • fallback
  • terminate

Example: Ignore​

Use this pipe to ignore the error and return the string with the unprocessed macro

Input​

My name is: {file:names[-1] | null: ignore}

Output​

My name is: {file:names[-1] | null: ignore}

Example: Remove​

Use this pipe to remove the macro if it resolves to null

Input​

My name is: {file:names[-1] | null: remove}

Output​

My name is:

Example: Fallback​

Use this pipe to return a fallback value if the macro would resolve to a null value

Input​

My name is: {file:names[1] | null: fallback John M.}

Output​

My name is: John M.

Example: Terminate​

Use this pipe to terminate the current message when the macro would resolve to a null value.

Input​

My name is: {file:names[1] | null: terminate}

Results in a terminated message for the integration.