Functions in Webex Contact Center Flow Designer are intended for logic that is too complex for native flow expressions or Pebble templates. Cisco supports writing these functions in JavaScript and Python. Those languages are appropriate because they are widely used for lightweight data transformation, JSON parsing, conditional logic, and API response manipulation inside cloud workflows. The scenario says the administrator must parse complex data returned from an API call and cannot implement the logic with Pebble templates, so a function is the correct tool. TypeScript, Go, and Rust are powerful general-purpose languages, but they are not the supported function languages in the Flow Designer function runtime for this exam objective. The answer is not about what languages can parse JSON in theory; it is about what Cisco's Webex Contact Center function feature allows. Therefore JavaScript and Python are the two valid selections. Reference: Cisco Help, Build and manage flows with Flow Designer; Webex Contact Center Flow Designer function documentation.