In the context of transformations, what does the format of FORMAT control?

In the context of transformations within Splunk, the FORMAT control specifically dictates the output structure of the transformed events. This means that when you apply a FORMAT specification, you are essentially determining how the final output will be structured after the transformation has been applied.

For instance, with FORMAT, you can control which fields are included in the output, how they are formatted, and what labels are applied to them. This capability is crucial when you need the transformed data to conform to a specific schema or layout for reporting, analysis, or further processing.

The other options pertain to different aspects of data handling in Splunk. Defining how source events are structured is unrelated to the FORMAT specification, as it focuses on the incoming data rather than its output form. Sequencing of transformations relates to the order in which multiple transformations are applied, not specifically to their output structure. Similarly, the destination type for data refers to where the processed data will be sent or stored, which is outside the scope of what FORMAT controls.