SQL Functions

I have been trying to find a way to return more than one but different types of
variables. How do I return more than one but mix types of variables.
Any help is appriaciated.
Thanks;

CREATE FUNCTION allMoney_con(integer,integer,date,date) RETURNS ???? AS '
SELECT
DISTINCT(inv_accts.id), inv_accts.description, inv_accts.amtReceived,
consultant.lastname, consultant.firstname, consultant.unumber, officeDef.name,

companyDef.abbreviation, inv_accts.dateReceived, employee.firstname,
employee.lastname, inv_accts.type, contractDef.phase_id
FROM dbuser as consultant, employee, inv_accts, officeDef, employee_offices,
companyDef, acctDef, inv_contracts, contractDef, invention
WHERE consultant.id = employee.user_id
AND consultant.id = employee_offices.user_id
AND officeDef.id = employee_offices.office_id
AND invention.company_id = companyDef.id
AND inv_accts.inv_id = inv_contracts.inv_id
AND invention.id = inv_contracts.inv_id
AND inv_contracts.con_id = consultant.id
AND consultant.id = $1
AND invention.id = $2
--AND inv_accts.dateReceived BETWEEN $3 AND $4
AND inv_accts.acct_id = acctDef.id
AND acctDef.contract_id = inv_contracts.contract_id
AND inv_accts.type NOT LIKE ''DISCOVER%''
AND
(
(acctDef.description LIKE ''%PAYMENT%''
--AND acctDef.description NOT LIKE ''3\\%%''
AND strpos(acctDef.description, ''3%'') = 0
AND acctDef.description NOT LIKE ''%DROP SELL%''
)
OR inv_accts.type LIKE ''%BOUNCED CHECK%''
OR inv_accts.description LIKE ''%BC%'' OR inv_accts.type = ''REFUND''
)
AND contractDef.id = inv_contracts.contract_id
AND contractDef.id = acctDef.contract_id
ORDER BY officeDef.name ASC, consultant.lastname ASC, inv_accts.dateReceived
ASC;
' LANGUAGE SQL;

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