dhis2_login             Establish connection to a DHIS2 instance
get_api_version         Get DHIS2 API version
get_data_elements       Get all data elements from a specific DHIS2
                        instance
get_organisation_units
                        Get the organization units from a specific
                        DHIS2 instance
get_program_org_units   Get organisation units that are associated with
                        a given program
get_program_stages      Get program stages for one or more DHSI2
                        programs
get_programs            get all programs from a given specific DHIS2
                        instance
get_tracked_entities    Get tracked entity attributes, their
                        corresponding IDs and event IDs
login                   Establish a connection to the HIS of interest.
lookup_table            Lookup table
read_dhis2              Import data from DHIS2
read_rdbms              Import data from relational database management
                        systems (RDBMS).
read_sormas             Import data from SORMAS
request_parameters      Request parameters
show_tables             Display the list of tables in a database
sormas_get_api_specification
                        Download the API specification file from SORMAS
sormas_get_data_dictionary
                        Download SORMAS data dictionary
sormas_get_diseases     Get the list of disease names from a SORMAS
                        instance
