Contract| Parameter key | Default value | Type | | a_uri | opt | | contract | opt | | type | opt | | a_response | null | | http_message | opt | | base_protocol | false | boolean | | name | opt | | protocol_name | "file" | string | | of | of | instances | | a_connection | opt | | database_name | opt | | username | "" | string | | password | "" | string | | protocol | opt | | Water Contract<class resource.db.data_source
username =""
password =""
protocol =opt
/> | |