Instance Method

paramDescriptorForKeyword:

Returns a descriptor for the receiver’s Apple event parameter identified by the specified keyword.

Declaration

- (NSAppleEventDescriptor *)paramDescriptorForKeyword:(AEKeyword)keyword;

Parameters

keyword

A keyword (a four-character code) that identifies the parameter descriptor to obtain.

Return Value

A descriptor for the specified keyword, or nil if an error occurs.

Discussion

The receiver must be an Apple event.

See Also

Working With Apple Event Descriptors

- attributeDescriptorForKeyword:

Returns a descriptor for the receiver’s Apple event attribute identified by the specified keyword.

eventClass

The event class for the receiver.

eventID

The event ID for the receiver.

- removeParamDescriptorWithKeyword:

Removes the receiver’s parameter descriptor identified by the specified keyword.

returnID

The receiver’s return ID (the ID for a reply Apple event).

- setAttributeDescriptor:forKeyword:

Adds a descriptor to the receiver as an attribute identified by the specified keyword.

- setParamDescriptor:forKeyword:

Adds a descriptor to the receiver as an Apple event parameter identified by the specified keyword.

transactionID

The receiver’s transaction ID, if any.