Time and Date Functions
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      3. Time and Date Functions

      StartofTag()

      Returns the start date and time of the first tag entry for the specified tag.

      Syntax

      StartOfTag(string tagName)

      Example

      StartOfTag("Sand problem")

      Definition 2

      Returns the start date and time of the first tag entry for the specified tag and specified entity.

      Syntax

      StartOfTag(string tagName, string entityName)

      Example

      StartOfTag("Sand problem", "Well 1")

      Definition 3

      Returns the start date and time of the related tag entry for the specified tag and specified entity.

      Tag precedence:

      1. First

      2. Last

      3. Previous

      4. Next

      Syntax

      StartOfTag(string tagName, string entityName, tag entry precedence tagEntryPrecedence)

      Example

      StartOfTag("Sand problem", "Well 1", TagPrecedences.Next)

       

      Definition 4

      Returns the start date and time of the related tag entry in the specified state for the specified tag and specified entity.

      Tag precedence:

      1. First

      2. Last

      3. Previous

      4. Next

      Tag entry states (only when precedence = Last):

      1. Open

      2. Closed

      3. Any
      Syntax
      StartOfTag(string tagName, string entityName, tag entry precedence tagEntryPrecedence, 
                 tag entry state tagEntryState)

      Example

      StartOfTag("Sand problem", "Well 1", TagPrecedences.Last, TagEntryStates.Open)