uint256 indexed fundingCycleConfiguration,
uint256 indexed fundingCycleNumber,
uint256 indexed projectId,
fundingCycleConfigurationis the funding cycle configuration during which the payment was made.
fundingCycleNumberis the number of the funding cycle during which the payment was made.
projectIdis the ID of the project that was paid.
payeris the address that paid.
beneficiaryis the address that was specified to receive benefits from the payment, such as the project's tokens.
amountis the amount of tokens that was paid.
beneficiaryTokenCountis the amount of the project's tokens that were issued to the beneficiary as a result of the payment made.
memois a note that was attached.
metadatais extra data sent to the data source, delegate, and emitted event, if provided.
calleris the address that issued the transaction within which the event was emitted.