Global Fields
FileMaker global fields store values that are visible across the current session. FMData provides SetGlobalFieldAsync to set these values.
Setting a Global Field
var response = await client.SetGlobalFieldAsync(
"BaseTable", // the base table name
"GlobalStatus", // the global field name
"Active"); // the value to set
The field name should be the fully qualified field name as FileMaker expects it (table occurrence and field name).
Note (XML client): When using the XML client, global field values are queued and sent with the next request to the server rather than being sent immediately.