Function hasField

  • hasField(path, field, callbackValueVariable, callbackStateVariable?): void

  • Checks for existence of a database variable.

    Parameters

    • path: string

      The name under which the variable will be saved (document name).

    • field: string

      The field to check.

    • callbackValueVariable: Variable

      The variable where to store the result.

    • Optional callbackStateVariable: Variable

      The variable where to store if the operation was successful.

    Returns void

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