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TIBCO Rendezvous® 8.8.0

# Add DateTime

Convenience Method

## Declaration

    TibrvStatus addDateTime(
        const char*             fieldName,
        const TibrvMsgDateTime&    value,
        tibrv_u16               fieldId=0);

## Purpose

Add a field containing a Rendezvous datetime value.

Parameter | Description
`fieldName` | Create the new field with this name.
`value` | Add a new field that contains this datetime value. The method copies the data into the new message field.
`fieldId` | Create the new field with this identifier. Zero is a special value that signifies no field identifier. All non-zero field identifiers must be unique within each message. It is illegal to add a field that has both a `NULL` field name, and a non-zero field identifier.

## Example

This example code converts a `time_t` value to a datetime value, and adds the datetime to a message field. Programs can adapt this example as appropriate. (For corresponding code to extract a datetime value from a message field, and convert it to a `time_t` value, see the example at Get DateTime.)

    #include <limits.h>
    TibrvStatus addAsTimeT(
           TibrvMsg& msg,
           const char* field,
           time_t value)
    {
        examples/c/ d;
        d.sec = (tibrv_i64)value;
        return msg.addDateTime(field,d);
    }

## See Also

TibrvMsgDateTime

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