Function get_desired_or_next_id_from_section 

pub fn get_desired_or_next_id_from_section(
    config_data: &Value,
    section_path: &str,
    id_field: &str,
    desired_id: Option<i64>,
    seed_value: i64,
) -> Result<i64>

Get the next available ID or use desired ID (for config sections)

Same as get_desired_or_next_id but works with section paths

Arguments

• config_data - Parsed configuration JSON Value
• section_path - Dot-separated path (e.g., “G2_CONFIG.CFG_SFCALL”)
• id_field - Name of the ID field (e.g., “SFCALL_ID”)
• desired_id - Optional user-specified ID
• seed_value - Minimum value to return (e.g., 1000 for user items)

Returns

ID to use (either desired_id or next available)

Errors

Returns error if section not found or desired_id is already taken